Sloppy Joe Meets Cottage Pie: The Mashed Potato Casserole Mashup You Didn't Know You Needed

Laura layers a tangy homemade sloppy joe meat sauce — made with ground beef, ketchup, Worcestershire, brown sugar, and fresh veggies — under buttery sour cream mashed potatoes and melted sharp cheddar, then bakes it all into one hearty casserole. It's a clever American spin on cottage pie that's perfect for feeding a hungry family on a weeknight. Watch the full build from stovetop to oven with simple, budget-friendly ingredients.

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🧾 Ingredients

  • 14–5 large russet potatoes, cubed and peeled
  • 24 tbsp butter
  • 3½ cup milk (heavy, whole, or preferred)
  • 4½ cup sour cream
  • 5Salt & pepper
  • 61 lb ground beef (80/20)
  • 7½ cup onion, diced
  • 8½ cup green pepper, diced
  • 92 garlic cloves, minced
  • 101 cup ketchup
  • 112 tbsp brown sugar
  • 121 tbsp Worcestershire sauce
  • 131 tbsp yellow mustard
  • 14½ tsp smoked paprika
  • 15½ tsp chili powder (optional)
  • 161 cup shredded cheddar cheese
  • 17Parsley or green onions, for garnish
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