You shall not consume any leaven. In all your dwelling places, you shall eat unleavened bread.
Other versions
King James Version
Ye shall eat nothing leavened; in all your habitations shall ye eat unleavened bread.English Standard Version
You shall eat nothing leavened; in all your dwelling places you shall eat unleavened bread."New International Version
Eat nothing made with yeast. Wherever you live, you must eat unleavened bread."