Step 2

Next morning, turn dough out on a floured surface, knead briefly, and divide into 8 balls. Place on a lined baking sheet, cover, and let rise for about 1 hour until doubled.

Step 3

Preheat oven to 220°C (430°F). Brush buns with milk, cream, or egg wash. Sprinkle with sesame seeds if desired. Bake for 15–20 minutes until golden. Cool.

Step 4

Caramelize the onions: chop and sauté in a little butter over medium-low heat, stirring occasionally, for 10–15 minutes until golden and sweet.

Step 5

Rub the steaks with a little garlic. Season with salt and pepper. Grill or pan-fry the steaks, bacon, and eggs. Toast the split buns.

Step 6

Spread mustard on the bottom bun half. Layer: steak, ham, cheese, bacon, tomato, and lettuce. Top with a fried egg and drizzle generously with chimichurri and caramelized onions. Top with bun lid.