Hamburger Steak with Onion & Mushroom Gravy

Ingredients

• 3 teaspoons extra virgin olive oil
• 1 teaspoon butter
• 1 pound ground sirloin
• kosher salt
• freshly ground pepper
• 1 large white onion vertically sliced, about 1 1/2 cups
• 1 cup sliced mushrooms like baby portobellos
• 5 cloves garlic
• 1 tablespoon all-purpose flour
• 1 1/2 cups low sodium beef stock
• 1 teaspoon red wine vinegar
• mashed potatoes make ’em with roasted garlic and buttermilk for extra deliciousness

Nutrition

• Calories : 310 calories
• Carbohydrate : 12 grams
• Cholesterol : 80 milligrams
• Fat : 17 grams
• Fiber : 2 grams
• Protein : 26 grams
• SaturatedFat : 6 grams
• Sodium : 580 milligrams
• Sugar : 2 grams
• TransFat : 1 grams