Festive Egg Squares

1 lb bulk pork sausage, cooked and drained
¼ lb slice mushrooms
½ cup sliced green onions
2 medium tomatoes, chopped
2 cups mozzarella
1 ¼ cup bisquick baking mix
12 eggs
1 cup milk
1 ½ teaspoons salt
½ teaspoon pepper
½ teaspoon dried oregano leaves

Heat oven to 350 degrees. Grease 13x9x2 baking dish. Layer sausage, mushrooms, onions, tomatoes and cheese in dish. Beat remaining ingredients and pour over sausage mixture. Bake until golden brown about 30-34 minutes. Makes 12 Servings.

I can tell this one is my handwriting around elementary school.