summer squash patties recipe

1 1/4 cups self-rising flour
1/2 tsp sugar
3/4 tsp salt
1/2 cup commercial sour cream
1 egg
1 tbs vegetable oil
3 cups coarsely grated yellow squash
1 medium onion, coarsely grated
Ground black pepper to taste

Combine first 6 ingredients, beating until smooth. Stir in squash and onion; add pepper, if desired. Drop mixture by tablespoonfuls into a hot greased skillet. Cook until golden brown, turning once. Drain on paper towels.