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

Heat oven to 400 degrees. Grease 10 inch quiche dish or pie plate, 10 x 1 1/2 inches. Brown beef and onion over medium heat. Drain. Add seasoning mix. Spread in plate. Sprinkle with chilies. Beat milk, Bisquick and eggs until smooth. Pour into plate. Bake 25 minutes. Top with tomatoes; sprinkle with cheese. Bake 8 to 10 minutes longer. Cool 5 minutes. Serve with sour cream, chopped tomatoes and shredded lettuce if desired. Serves 6-8.