Recipe: Easy Mini Pierogy Veggie Sheet Pan Dinner

Name: Recipe: Easy Mini Pierogy & Veggie Sheet Pan Dinner
Ingredients: 1 (12.84-ounce) package Mrs. T’s Mini Classic Cheddar Pierogies (do not thaw); 3 cloves garlic, smashed; 1 medium red onion, cut into 1 1/2-inch pieces; 1 large apple (such as Honeycrisp), cored and cut into 1 1/2-inch pieces; 1 medium orange bell pepper, cut into 1-inch pieces; 8 ounces broccoli florets; 2 tablespoons olive oil; 1 tablespoon whole-grain Dijon mustard; 1 teaspoon white wine vinegar; 1 teaspoon kosher salt; 1/4 teaspoon freshly ground black pepper, plus more for serving