Exodus 12:15

12:15 For seven days you must eat bread made without yeast. Surely on the first day you must put away yeast from your houses because anyone who eats bread made with yeast from the first day to the seventh day will be cut off from Israel.

Exodus 34:1

The New Tablets of the Covenant

34:1 The Lord said to Moses, “Cut out two tablets of stone like the first, and I will write on the tablets the words that were on the first tablets, which you smashed.