Impossible Zucchini Tomato Pie
["2 c. chopped zucchini", "1 c. chopped tomatoes", "1/2 c. chopped onion", "1/3 c. Parmesan cheese", "1 1/2 c. milk", "3/4 c. Bisquick baking mix", "1/4 tsp. pepper", "1/2 tsp. salt", "3 eggs"]
["Heat oven to 400\u00b0; grease 10-inch deep dish pie pan.", "Sprinkle zucchini, tomato, onion and cheese in pan.", "Beat remaining ingredients until smooth.", "Pour in pan over other ingredients. Bake until knife comes out clean, about 30 minutes."]
["zucchini", "tomatoes", "onion", "Parmesan cheese", "milk", "Bisquick baking mix", "pepper", "salt", "eggs"]