Filled Patty Shells

Ingredients

• 2 c. cooked chicken, cubed
• 1/2 c. sharp Cheddar cheese, shredded
• 1 can (2 oz.) mushroom stems and pieces, drained
• 1 Tbsp. pimento, chopped
• 1/2 c. sour cream
• 1/2 tsp. salt
• 1/4 tsp. dried thyme leaves, crushed
• dash of pepper
• 1 (10 oz.) pkg. frozen patty shells, thawed
• 1 beaten egg white
• parsley for garnish