Brown bacon, remove from pan, reserving fat. Add butter and carmelize onions
Drain excess fat and set aside.
Blend all ingredients together and season to taste.
Bake uncovered at 350°F for 1 hour and 30 minutes or until bubbling around the outside edges OR store tightly wrapped and refrigerated in plastic until ready to bake. If baking from cold, add an additional 30-45 minutes to the cook time
Notes
When prepping, do not make more than 2 batches at a time. Do not parbake - the product will dry out. Instead, prep recipe as written, store cold, allow to warm to room temperature for one hour before baking.Doubled recipe will fill one 4" half-sized hotel pan and serve 56 4 ounces servings.