Clara's Cheesy Hamburger Tarts

• 18 slices white or whole-wheat bread
• 1/2 cup butter, as needed
• 1 lb. lean ground beef King Sooper's 1 lb For $3.99 thru 02/09
• 2 eggs
• 1/2 cup bread crumbs
• 1 cup diced Spanish or red onion Safeway 1 lb For $1.49 thru 02/09
• 2 tsp. Heinz Tomato Ketchup Target 2 For $5.00 thru 02/06
• 1/2 cup Kraft 100% Parmesan Grated Cheese
• 1/4 cup Cracker Barrel Shredded Double Cheddar Cheese
• 1 can (10 fl. oz/284 mL) condensed cream of mushroom soup

1. Cut crusts off each slice of bread.
2. Butter one side of each slice then press buttered side down into muffin tins.
3. Combine all remaining ingredients and mix thoroughly.
4. Fill each bread slice with about 1/4 cup beef mixture.
5. Bake 40 minutes at 350F until mixture is browned on top and cooked through.

white, butter, lean ground beef, eggs, bread crumbs, red onion, tomato ketchup, cheese, cheddar cheese, condensed cream

Taken from www.kraftrecipes.com/recipes/claras-cheesy-hamburger-tarts-87895.aspx (may not work)