Mushroom Zin Burger - Sutter Home Family Vineyards

Ingredients

• Ground Beef, organic, 90% lean – 2 lbs.
• Mushrooms, Pieces & Stems – 4 oz.
• Bread Crumbs, dried – 1/4 cup
• Sutter Home Zinfandel – 1/4 cup
• Sea Salt, coarse crystals – 2 tsp
• Pepper, black, fresh ground – 2 tsp
• Onions, white – 2 medium size
• Extra Virgin Olive Oil – 2 tbs
• Ciabatta Buns with Asiago Cheese – 6
• Butter – 1/2 stick