Butternut Squash Pierogy Casserole - Mrs. T's Pierogies

Ingredients

• 1 box Mrs. T’s 4 Cheese Medley Pierogies
• 2 cloves garlic, chopped
• 1 medium onion, sliced
• 1 tablespoon olive oil
• ¼ teaspoon salt
• 1 tablespoon balsamic vinegar
• 1 small butternut squash, peeled and cubed in ½ inch squares
• 1 cup shredded cheddar cheese
• ¼ cup breadcrumbs