Jalapeño-Onion Smash Burgers – TartAmour

Ingredients

• 1 pound ground beef (preferably 80/20)
• 2 jalapeños, thinly sliced
• 1 medium onion, thinly sliced
• 4 slices of American cheese (or your choice of cheese)
• 4 burger buns
• 1 tablespoon vegetable oil
• Salt and pepper to taste
• 1 tablespoon butter, optional
• Condiments of choice (e.g., mayonnaise, ketchup, mustard)
• Lettuce, tomato slices, or pickles for serving (optional)