1 lb. ground beef
1/2 c. chopped onion
1 env. McCormick or Schilling taco seasoning mix
1 (4 oz.) can chopped green chiles, drained
1 1/4 c. milk
3/4 c. Bisquick baking mix
3 eggs
2 tomatoes, sliced
1 c. shredded Monterey Jack or Cheddar cheese

Heat oven to 400 degrees. Grease pie plate, 10x1 1/2-inches. Cook and stir beef and onion until brown; drain. Stir in seasoning mix. Spread in plate; top with chiles. Beat milk, baking mix, and eggs until smooth, 15 seconds in blender on HIGH or 1 minute with hand beater.

Pour into plate. Bake 25 minutes. Top with tomatoes and cheese. Bake until knife inserted between center and edge comes out clean, 8-10 minutes. Cool 5 minutes. Top with sour cream, tomatoes, lettuce, and cheese if desired. Yield 6-8 servings.