– 1 ½ lb Laura’s Lean Ground Beef – ½ cup Italian bread crumbs – 2 tablespoon ketchup – 2 teaspoon dry mustard – 2 teaspoon Worcestershire sauce – 3 beef bouillon cube – ½ teaspoon onion powder – 1 teaspoon salt – 1 teaspoon pepper – 1 tablespoon olive oil – 1 medium yellow onion  – 8 ounces cremini mushrooms  – 2 cups hot water – 2 teaspoon cornstarch – ½ teaspoon garlic powder – 1 tablespoon butter