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Large skillet (non-stick or cast iron)
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Wooden spoon or spatula
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Mixing bowls (medium and large)
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9×13-inch baking dish
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Cheese grater (for best melting)
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Oven preheated to 400°F (200°C)
Step-by-Step Instructions
Step 1: Cook the Beef Mixture
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Heat 1 tablespoon olive oil in a skillet over medium heat.
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Add the diced onion and sauté for 4–5 minutes until softened.
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Stir in the minced garlic and cook for another 30 seconds.
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Add 1½ pounds ground beef and cook, breaking it apart as it browns.
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When beef is fully browned (about 8–10 minutes), drain excess fat if needed.
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Stir in salt, pepper, Worcestershire sauce, ketchup, mustard, and chopped pickles (if using). Cook for another 2 minutes to combine flavors.
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Remove from heat and set aside.
