Very Easy Quiche

1/2 cup Bisquick
1 1/2 cups milk
1 cup of diced, bacon, ham, sausage or even shrimp
3 eggs
4 ounces of fresh mushrooms
6 tablespoons shortening
1 cup grated cheese
salt to taste

Mix together the milk, Bisquick, salt, eggs and shortening. Pour batter into pie plate. Gently press meat and vegetables into quiche. Top with grated cheese and bake at 350 degrees for 45 minutes.