<?xml version="1.0"?>
<!-- - EDGAR Ease Plus 1.0                                   07/25/03  TT    -->
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2004-01-19</periodOfReport>
   <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000849667</issuerCik>
        <issuerName>AMERICAN ITALIAN PASTA CO</issuerName>
        <issuerTradingSymbol>PLB</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001251221</rptOwnerCik>
            <rptOwnerName>PETERSON MARK ALAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4100 N. MULBERRY DRIVE, SUITE 200</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>KANSAS CITY</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>64116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>0</isDirector>
         <isOfficer>1</isOfficer>
         <isTenPercentOwner>0</isTenPercentOwner>
         <isOther>0</isOther>
         <officerTitle>VP - Finance &amp; Accounting</officerTitle>
      </reportingOwnerRelationship>
   </reportingOwner>
 <nonDerivativeTable>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Class A Common Stock, par value $.001 per share</value>
      </securityTitle>
      <transactionDate>
         <value>2004-01-19</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>A</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
            <footnoteId id="F1"/>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>294</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>37.05</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>1094</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
 </nonDerivativeTable>
 <derivativeTable>
   <derivativeHolding>
      <securityTitle>
         <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>23.38</value>
      </conversionOrExercisePrice>
      <exerciseDate>
            <footnoteId id="F2"/>
      </exerciseDate>
      <expirationDate>
         <value>2008-12-03</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Class A Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>11000</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>11000</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>25.00</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>1999-10-21</value>
      </exerciseDate>
      <expirationDate>
         <value>2009-10-21</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Class A Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>500</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>500</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>25.00</value>
      </conversionOrExercisePrice>
      <exerciseDate>
            <footnoteId id="F3"/>
      </exerciseDate>
      <expirationDate>
         <value>2009-10-21</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Class A Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>7000</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>7000</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>25.00</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>1999-10-21</value>
      </exerciseDate>
      <expirationDate>
         <value>2009-10-21</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Class A Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>1000</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>1000</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>18.50</value>
      </conversionOrExercisePrice>
      <exerciseDate>
            <footnoteId id="F4"/>
      </exerciseDate>
      <expirationDate>
         <value>2010-09-28</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Class A Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>2333</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>2333</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>38.90</value>
      </conversionOrExercisePrice>
      <exerciseDate>
            <footnoteId id="F5"/>
      </exerciseDate>
      <expirationDate>
         <value>2012-10-23</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Class A Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>3000</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>3000</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeTransaction>
      <securityTitle>
         <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>37.05</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2004-01-19</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>A</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>243</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>37.05</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
            <footnoteId id="F6"/>
      </exerciseDate>
      <expirationDate>
         <value>2004-01-19</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Class A Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>243</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>243</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
 </derivativeTable>
   <footnotes>
      <footnote id="F1"> Award pursuant to annual bonus compensation plan.  The restricted stock vests in three (3) annual installments on the following dates:  January 19, 2005, January 19, 2006, January 19, 2007.</footnote>

      <footnote id="F2"> The options become exercisable at a rate of 20% per year beginning December 3, 1999.</footnote>

      <footnote id="F3"> The options become exercisable at a rate of 20% per year beginning October 21, 2000.</footnote>

      <footnote id="F4"> The options vests 50% on September 28, 2000, and the remainder in three equal installments beginning on September 28, 2001.</footnote>

      <footnote id="F5"> The option vests on October 23, 2002, and is exercisable on and after April 23, 2003.</footnote>

      <footnote id="F6"> The option vests in three equal annual installments beginning on January 19, 2005.</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>/s/ Mark A. Peterson</signatureName>
      <signatureDate>2004-01-19</signatureDate>
   </ownerSignature>
</ownershipDocument>

