Balsamic Onion Potatoes

Ingredients
2 tablespoons butter, divided
1/2 cup pre-diced fresh onions
1 (24-ounce) package refrigerated mashed potatoes
1 tablespoon balsamic vinegar
1/4 teaspoon salt
1/8 teaspoon pepper

Steps
1. Preheat medium saucepan on medium-high 2–3 minutes.
2. Place 1 tablespoon butter in pan; swirl to coat. Add onions and cook 4–6 minutes, stirring often, or until well browned.
3. Stir in remaining ingredients (including 1 tablespoon butter). Reduce to medium and cook 3 minutes, stirring occasionally, or until thoroughly heated.

(Recipe courtesy of Publix Aprons Simple Meals)