Preheat oven to 400°
Place asparagus on a large piece of aluminum foil and lightly oil and add salt and pepper.
Place salmon on the asparagus, add salt and pepper, then spread about 1 1/2 tablespoons of pesto on it.
Add thinly sliced tomato
Fold and seal the aluminum foil.
Place on a baking sheet, then place in the pre-heated oven, 30 minutes.