Pierogi Casserole with Kielbasa

Ingredients

• 1 package (16 ounces) frozen pierogies
• 1 pound kielbasa, sliced into 1/4-inch pieces
• 1 tablespoon vegetable oil
• 1 large onion, chopped
• 1 red bell pepper, chopped
• 2 cloves garlic, minced
• 1 cup sour cream
• 1 cup shredded cheddar cheese
• 1/2 cup chicken broth
• 1/2 teaspoon black pepper
• 1/2 teaspoon paprika
• 1 teaspoon dried parsley
• Salt to taste
• Chopped chives for garnish (optional)