Beef Sliders Stuffed with Walnuts and Gorgonzola

Ingredients

• 4 slices bacon finely chopped
• 2 cups button mushrooms finely chopped
• 16 small dinner rolls 
• 1  eggs lightly beaten
• 4 ounces gorgonzola blue divided (or cheese)
• 1 pound ground beef 10% ( fat)
• 1 teaspoon ground pepper black
• 1 teaspoon olive oil 
• 1 teaspoon salt 
• 0.5 cup shallots finely chopped
• 32  california walnut halves 
• 1 teaspoon worcestershire sauce 

Equipment

• sauce pan
• mixing bowl
• grill

Directions

1. Heat oil in a heavy saucepan over medium heat and saute bacon until just cooked but not crisp.
2. Add shallots and cook until translucent.
3. Add mushrooms and continue cooking until water evaporates, about 5 minutes.
4. Transfer mixture to a large mixing bowl and let cool.
5. Add salt, pepper, Worcestershire sauce and egg to mixture.
6. Add beef and gently mix by hand until all ingredients are incorporated, without over-mixing.
7. Divide mixture into 16 equal portions. Form into thick patties, about 1-1/2 inches thick and 2-1/2 inches in diameter, tucking a piece of cheese and 2 walnut halves into the centre of each patty.
8. Grill patties on medium-high heat until cooked to preferred doneness.
9. Serve in small dinner rolls or between baguette slices with desired condiments.