Beef Stroganoff

Ingredients

• 3 tablespoons flour
• 1 teaspoon salt
• 14 teaspoon fresh ground pepper
• 1 -1 12 lb sirloin steak, cut 1/2-inch thick
• 2 tablespoons olive oil
• 4 tablespoons butter
• 12 cup onion, chopped
• 1 garlic clove, pressed
• 12 lb fresh mushrooms, sliced
• 12 cup Burgundy wine
• 12 cup beef bouillon
• 1 teaspoon chervil
• 1 teaspoon lemon rind
• 12 teaspoon paprika
• 1 cup sour cream