1 lb. frankfurters, sliced
1/3 c. chopped onions, if desired
1 1/2 c. milk
3/4 c. biscuit mix
3 eggs
1 1/2 c. shredded cheese (about 6 oz.)

Grease 9 x 13 inch pan. Spread frankfurters and onions. In a bowl, mix milk, biscuit mix, and eggs together. Beat until smooth. Pour into pan. Sprinkle with cheese. Bake until knife inserted into center comes out clean, about 30 minutes. Cool 5 minutes. Makes 6 to 8 servings. Serve with ketchup or mustard.