Exhibit 24

                                        CONAGRA
                                         BRANDS

                                  POWER OF ATTORNEY

            Know all by these presents that the undersigned hereby constitutes
and appoints each of Colleen Batcheler, Gabriela Gutierrez, Christine Herbas and
Uche Ndumele, or any of them signing singly, and with full power of
substitution, the undersigned's true and lawful attorney-in-fact to:

     1.     prepare, execute in the undersigned's name and on the undersigned's
            behalf, and submit to the U.S. Securities and Exchange Commission
            (the "SEC") a Form ID, including amendments thereto, and any other
            documents necessary or appropriate to obtain codes and passwords
            enabling the undersigned to make electronic filings with the SEC
            of reports required by Section 16(a) of the Securities Exchange Act
            of 1934 or any rule or regulation of the SEC;

     2.     execute for and on behalf of the undersigned, in the undersigned's
            capacity as an officer and/or director of Conagra Brands, Inc.
            (the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a)
            of the Securities Exchange Act of 1934 ("Section 16") and the rules
            thereunder, and Form 144 ("Form 144") pursuant to Rule 144 under the
            Securities Act of 1933 ("Rule 144") and the rules thereunder;

     3.     do and perform any and all acts for and on behalf of the undersigned
            which may be necessary or desirable to complete and execute any such
            Form 3, 4, 5, or 144, complete and execute any amendment or
            amendments thereto, and timely file such form with the SEC and any
            stock exchange or similar authority; and

     4.     take any other action of any type whatsoever in connection with the
            foregoing which, in the opinion of such attorney-in-fact, may be of
            benefit to, in the best interest of, or legally required by, the
            undersigned, it being understood that the documents executed
            by such attorney-in-fact on behalf of the undersigned pursuant to
            this Power of Attorney shall be in such form and shall contain such
            terms and conditions as such attorney-in-fact may approve in such
            attorney-in-fact's discretion.

            The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact shall lawfully do or cause to be done by virtue of this power
of attorney and the rights and powers herein granted.  The undersigned
acknowledges that each of the foregoing attorneys-in-fact, in serving in such
capacity at the request of the undersigned, is not assuming, nor is the Company
assuming, any of the undersigned's responsibilities to comply with Section 16
and Rule 144.

            This Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms 3, 4, 5, and 144 with
respect to the undersigned's holdings of and transactions in securities issued
by the Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.

                                     *****

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 16th day of July, 2019.


                                       /s/ Richard H. Lenny
                                       ---------------------------------------
                                       Richard H. Lenny