Steps
1. Preheat oven to 350°F.
2. Spread butter on both slices of bread. Toast in the oven for 10 minutes.
3. Meanwhile, cook beef in a skillet over medium-high heat for 3-4 minutes until desired doneness is reached.
4. Slice avocado into thin pieces longways, season with salt and pepper.
5. Once toasts are ready, top each slice with beef and avocado.
6. Serve and enjoy!