Onion Brunch Squares

Yield: 9 servings

2 large onions
2 tablespoons butter or margarine
1 tablespoon all-purpose flour
1/2 cup sour cream
1/2 teaspoon salt
1/2 teaspoon caraway seeds - optional
3 eggs, lightly beaten
3 bacon strips (or ham) cooked and crumbled
1 (8 ounce) tube refrigerated crescent rolls

In a skillet, saut