3 c. (12 oz.) shredded Cheddar cheese
1 1/2 c. cut up cooked chicken
2/3 c. chopped onion
1 (10 oz.) pkg. frozen, chopped broccoli, thawed and drained
1 1/3 c. milk
3 eggs
3/4 c. Bisquick baking mix
3/4 tsp. salt
1/4 tsp. pepper

Mix 2 cups of the cheese, chicken, onion, and broccoli in greased pie plate, 10 x 1 1/2 inch. Beat remaining ingredients, except cheese, until smooth, 15 seconds in blender on high or 1 minute with hand beater. Pour into plate. Bake at 400 degrees until knife inserted in center comes out clean, 25 to 35 minutes. Top with remaining cheese. Bake just until melted, 1 to 2 minutes. Cool 5 minutes. Bake at 400 degrees. 6 to 8 servings.