Cheesy Pierogi and Kielbasa Skillet – Fustini's Oils & Vinegars

Ingredients

• 1(16-oz.) package of frozen cheddar and/or potato pierogi, thawed (about 12 total)
• 4 tablespoons Fustini's Garlic olive oil, divided
• 2 large red, yellow, or orange bell peppers, seeds, and ribs removed, thinly sliced
• 1 medium yellow onion, halved, thinly sliced
• Kosher salt
• 1 (14-oz.) package of cooked kielbasa, sliced into thin rounds
• 2 tablespoons Fustini's Iron Fish Honey vinegar
• 1 cup low-sodium chicken broth
• 2 oz. cream cheese
• 1/2 teaspoon Dijon mustard
• 1 1/4 cups shredded sharp cheddar, divided
• 2 scallions, thinly sliced
• sour cream, for serving