Exodus 12:20
You shall not eat anything leavened; in all your dwellings you shall eat unleavened bread.’”
Treasury of Scripture Knowledge
Summary
                            Ye shall eat nothing leavened; in all your habitations shall ye eat unleavened bread.                        
                    General references
Bible References
General references
                                        Exodus 13:6                                        
                                                                                                                                For seven days you shall eat unleavened bread, and on the seventh day there shall be a feast to the Lord. 
                                    
                                        Exodus 34:18                                        
                                                            
                        “You shall observe the Feast of Unleavened Bread. For seven days you are to eat unleavened bread, as I commanded you, at the appointed time in the month of Abib, for in the month of Abib you came out of Egypt.