Good-Cooking - Onion Brunch Squares

Ingredients

• 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