Pour all ingredients except crackers into a large Ziploc bag. Close bag, shake and mix thoroughly. Open bag and add crackers. Close bag and shake to mix until all crackers are coated. (If you don't have a Ziploc bag, you can mix in a bowl).
Pour everything into a 9 x 13 x 2 cake can and spread evenly over bottom of pan. Bake at 350 degrees for 30 minutes. Stir every 15 minutes while baking.