Winter's Night Skillet | Mama's Cooking

Ingredients

• 2 (16-ounce) packages frozen cheddar and/or potato pierogi, about 24 total
• 2 tablespoons extra-virgin olive oil
• 2 large red, yellow, or orange bell peppers, thinly sliced
• 1 medium yellow onion, halved, thinly sliced
• kosher salt, to taste
• 1 (14-ounce) package cooked kielbasa, sliced into thin rounds
• 2 tablespoons unsalted butter
• 1 cup low-sodium chicken broth
• 2 ounces cream cheese
• 1/2 teaspoon Dijon mustard
• 1 1/4 cup sharp cheddar, shredded, divided
• sour cream, optional, to taste, for serving
• 2 scallions, optional, thinly sliced, for garnish