Created by lazyme on February 7, 2015
Step 1: Saute onions with oil and butter in skillet over low heat until well done, stirring often. Do not brown.
Step 2: Sprinkle with flour and continue cooking slowly about 2 minutes. Cool well.
Step 3: Beat eggs; add half and half, yogurt, salt, pepper, and nutmeg. Add to cooled onions.
Step 4: Sprinkle half the cheese on the bottom of the pre-baked pastry shell and fill with egg-onion mixture. Arrange pepperoni slices on top. Sprinkle with remaining cheese.
Step 5: Bake 10 minutes at 450 degrees; reduce heat to 300 degrees and bake 20 minutes more.