Rack 'em Up Cheese Balls

With chipped beef and three kinds of cheese, this appetizer from our Test Kitchen appeals to everyone. Make ahead of time to blend the flavors.28 ServingsPrep: 2 hours + chilling
Ingredients
- 1 package (8 ounces) cream cheese, softened
- 1 cup ricotta cheese
- 1 cup (8 ounces) sour cream
- 2 packages (2-1/2 ounces each) thinly sliced dried beef, finely chopped
- 2 cups (8 ounces) finely shredded cheddar cheese
- 1-1/4 cups crisp rice cereal, crushed
- 1/4 cup finely chopped white onion
- 1 tablespoon Worcestershire sauce
- TOPPINGS:
- Blue paste food coloring
- 1/2 cup finely shredded Swiss cheese, chopped
- 1/2 cup finely chopped white onion
- 1 can (4-1/4 ounces) chopped ripe olives
- 1/2 cup finely shredded cheddar cheese
- 1 package (2-1/2 ounces) thinly sliced dried beef
- 1/2 cup finely chopped red onion
- 1/2 cup finely chopped green onions (green tops only)
- 1/2 cup diced sweet yellow pepper
- 1/2 cup diced sweet red pepper
- 15 small water chestnut slices
- 2 tablespoons cream cheese, softened
- 1 teaspoon milk
- Black paste food coloring