Sloppy Joe Casserole: Easiest Comfort Food Bake!

Ingredients

• 1 tablespoon olive oil (15 ml)
• 1 large onion, chopped (approx. 1 cup or 150g)
• 1 green bell pepper, chopped (approx. 1 cup or 150g)
• 1.5 pounds ground beef (700g)
• 1 teaspoon garlic powder (5 ml)
• 1/2 teaspoon onion powder (2.5 ml)
• 1 teaspoon chili powder (5 ml)
• 1/2 teaspoon smoked paprika (2.5 ml)
• 1 (15 ounce) can tomato sauce (425g)
• 1/2 cup ketchup (120 ml)
• 1/4 cup brown sugar, packed (50g)
• 2 tablespoons Worcestershire sauce (30 ml)
• 1 tablespoon yellow mustard (15 ml)
• Salt and freshly ground black pepper, to taste
• 4 large russet potatoes, peeled and quartered (approx. 1.5 lbs or 700g)
• 1/2 cup milk (120 ml)
• 4 tablespoons unsalted butter (57g)
• 2 cups shredded cheddar cheese (approx. 8 ounces or 225g)