Ingredients
2 tablespoons butter1 medium onion, minced1 cup shredded cheddar cheese1/2 cup sour cream1/4 cup mayonnaise3/4 teaspoon salt1/4 teaspoon pepper1/4 teaspoon dried oreganoPinch rubbed sage2 cups biscuit/baking mix2/3 cup 2% milk3 medium tomatoes, cut into 1/4-inch slicesPaprika
Preparation
Preheat oven to 400°. In a small skillet, heat butter over medium heat. Add onion and cook until tender. Remove from the heat. Stir in the cheese, sour cream, mayonnaise and seasonings; set aside.
In a bowl, combine the baking mix and milk to form a soft dough. Turn dough onto a well-floured surface; knead lightly 10-12 times. Pat into a greased 13x9-in. baking dish, pushing dough up sides of dish to form a shallow rim. Arrange tomato slices over top. Spread with topping; sprinkle with paprika.
Bake for 25 minutes. Let stand for 10 minutes before cutting.