-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 B2LfB4kppO2blbZyqNV/phUuLkG873hkrF2XBFqshBJTvmfUT6xPGeAqKhfPMcNF
 v9bScEF4ewjihTnoyI1OZA==

<SEC-DOCUMENT>0001334735-10-000005.txt : 20100303
<SEC-HEADER>0001334735-10-000005.hdr.sgml : 20100303
<ACCEPTANCE-DATETIME>20100303164626
ACCESSION NUMBER:		0001334735-10-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100301
FILED AS OF DATE:		20100303
DATE AS OF CHANGE:		20100303

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zoeller Mark L.
		CENTRAL INDEX KEY:			0001334735

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33530
		FILM NUMBER:		10653959

	MAIL ADDRESS:	
		STREET 1:		C/O BIOFUEL ENERGY CORP.
		STREET 2:		1600 BROADWAY, SUITE 1600
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

	FORMER NAME:	
		FORMER CONFORMED NAME:	Zoeller Mark L
		DATE OF NAME CHANGE:	20050729

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BioFuel Energy Corp.
		CENTRAL INDEX KEY:			0001373670
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		IRS NUMBER:				205952523
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1801 BROADWAY, SUITE 1060
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		303-592-8110

	MAIL ADDRESS:	
		STREET 1:		1801 BROADWAY, SUITE 1060
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-03-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001373670</issuerCik>
        <issuerName>BioFuel Energy Corp.</issuerName>
        <issuerTradingSymbol>BIOF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001334735</rptOwnerCik>
            <rptOwnerName>Zoeller Mark L.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BIOFUEL ENERGY CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>1600 BROADWAY, SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>V.P, General Counsel</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to Buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.76</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-03-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2011-03-01</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-03-01</value>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>50000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>120000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Options vest and become exercisable on the following dates: 15,000 on 03/01/2011; 15,000 on 03/01/2012; and 20,000 on 03/01/2013.</footnote>
        <footnote id="F2">Each option will expire upon the earlier of (i) the fifth anniversary of the grant date or (ii) either (x) 90 days after the holder ceases to be an employee of the Company or any of its affiliates for any reason other than the holder's death or (y) six months after the holder ceases to be an employee by reason of the holder's death.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Mark Zoeller</signatureName>
        <signatureDate>2010-03-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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