Tuna Balls

Ingredients

• 2 (7 oz.) cans tuna, drained and flaked
• 1 (8 oz.) pkg. softened cream cheese
• 2 Tbsp. minced celery
• 1 Tbsp. minced onion
• 1 Tbsp. lemon juice
• 2 Tbsp. prepared mustard
• 1/4 tsp. salt
• 1/8 tsp. cayenne pepper
• 1 hard-boiled egg