Broccoli-Rice Quiche
["1/2 c. chopped onions", "2 (10 oz.) pkg. frozen chopped broccoli", "3 c. hot, cooked rice", "1 1/2 c. grated sharp Cheddar cheese, divided", "6 eggs, divided", "1 tsp. salt, divided", "1/4 tsp. black pepper", "1/2 c. milk", "1 (4 oz.) can sliced mushrooms, drained"]
["Cook onions with broccoli.", "Drain well and set aside.", "Combine rice, 3/4 cup cheese, 2 eggs (slightly beaten) and 1/2 teaspoon salt.", "Press firmly and evenly over bottom and sides of 2 greased 9-inch pie pans."]
["onions", "broccoli", "rice", "Cheddar cheese", "eggs", "salt", "black pepper", "milk", "mushrooms"]