Easy Veggie and Mini Pierogy Sheet Pan Dinner

Ingredients

• 1 box of Mini Classic Cheddar or your favorite variety Mrs. T's® Pierogies
• 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
• ¼ teaspoon freshly ground black pepper, plus more for serving