- Preheat over to 400 degrees. 
- In a small bowl mix together the olive oil, garlic, salt, and pepper. 
- Brush salmon on both sides with the oil mixture. If the salmon's skin is still on then place on the sheet pan skin side down. 
- Place the asparagus next to the salmon. Toss asparagus with leftover oil mixture. 
- Sprinkle salmon and asparagus with shredded parmesan. 
- Slice the lemon into slices and place over the salmon and asparagus. 
- Bake for 20 minutes or until salmon is cooked and flakes easily. ** the salmon I made cooked perfectly in 20 minutes. 
- Serve hot.