2 cups whipping cream
3 ounces freshly shredded Parmesan cheese
6 large eggs, lightly beaten
3 tablespoons all-purpose flour
2 tablespoons sugar
2 teaspoons baking powder
1 teaspoon salt
1/2 cup butter or margarine
6 medium sweet onions, thinly sliced
Stir together first 3 ingredients in a large bowl. Combine flour and next 3 ingredients; gradually stir into egg mixture. Set aside.
Melt butter in a large skillet over medium heat; add onion, and cook, stirring often, 30 to 40 minutes or until onion is caramel colored. Remove onion from heat.
Stir onion into egg mixture; spoon into a lightly greased 13- x 9-inch baking dish.
Bake at 350*F (175*C) for 30 minutes or until set.
Makes 8 servings.