Ginny's fantastic burger - Sutter Home Family Vineyards

Ingredients

• 1 cup shredded cheddar cheese
• 1 jar (4-1/2 ounces) sliced mushrooms, drained
• 1/3 cup mayonnaise
• 6 bacon strips, cooked and crumbled
• 2 lbs lean ground beef
• 1/2 cup chopped onions
• 1 tsp salt
• 1/2 tsp pepper
• 1/4 tsp garlic powder
• 1/4 cup burgundy wine