Bistec Encebollado

Ingredients

• 1/4 cup red wine vinegar paleo diet: red wine ok
• 2 tablespoons olive oil
• 2 teaspoons kosher salt paleo diet: sea salt
• 2 teaspoons oregano
• 1 tablespoon cumin
• 2 garlic cloves minced
• 2 pounds flank steak
• 2 tablespoons olive oil
• 2 onions medium, thinly sliced
• 1/2 cup chicken stock

Nutrition

• Calories : 520 calories
• Carbohydrate : 8 grams
• Cholesterol : 80 milligrams
• Fat : 30 grams
• Fiber : 2 grams
• Protein : 50 grams
• SaturatedFat : 9 grams
• Sodium : 1370 milligrams
• Sugar : 3 grams