Cook the Fries – Prepare fries according to package instructions or air fry until golden and crispy. Keep warm.
- Sauté the Veggies – In a large skillet over medium heat, cook onion and pepper in olive oil until soft and slightly caramelized, about 5–6 minutes. Remove and set aside.
- Cook the Steak – In the same skillet, add steak, season with garlic powder, salt, and pepper. Cook quickly, about 2–3 minutes, until just browned. Slice into bite-sized strips if needed.
- Make the Cheese Sauce – In a saucepan, melt butter over medium heat. Whisk in flour and cook for 1 minute. Slowly add milk, whisking constantly until smooth and thickened. Stir in cheeses until melted and creamy.
- Assemble the Fries – Spread cooked fries on a large serving platter. Top with steak, peppers, and onions. Drizzle generously with cheese sauce.
- Serve Immediately – Garnish with extra cheese or fresh parsley, if desired.
Cook the Fries – Prepare fries according to package instructions or air fry until golden and crispy. Keep warm.
- Sauté the Veggies – In a large skillet over medium heat, cook onion and pepper in olive oil until soft and slightly caramelized, about 5–6 minutes. Remove and set aside.
- Cook the Steak – In the same skillet, add steak, season with garlic powder, salt, and pepper. Cook quickly, about 2–3 minutes, until just browned. Slice into bite-sized strips if needed.
- Make the Cheese Sauce – In a saucepan, melt butter over medium heat. Whisk in flour and cook for 1 minute. Slowly add milk, whisking constantly until smooth and thickened. Stir in cheeses until melted and creamy.
- Assemble the Fries – Spread cooked fries on a large serving platter. Top with steak, peppers, and onions. Drizzle generously with cheese sauce.
- Serve Immediately – Garnish with extra cheese or fresh parsley, if desired.