Patty Melt Burger

Simple, but awesome! The Patty Melt Burger reduces the hamburger to four components: Bread, minced meat, cheese and caramelized onions. No fuss required - but honestly, you don't always need that, do you? 🍔🔥
INGREDIENTS (per burger).
🍞 2 slices of milk bread
🍞 butter
🍞 Onion, diced
🍞 2 patties with 85 g minced beef each (seasoned with salt & pepper)
🍞 3 slices of cheddar
🍞 Burger sauce
Have you ever tried this? 🤤