9 lasagna sheets
1 tbsp olive oil
2 (8.5 oz) jars sun-dried tomatoes, drained
1 1/2 packed cups fresh basil
1/2 cup grated parmesan, plus another 1/4 cup
1 medium onion, diced
2 leeks, white and light green parts only, sliced
2 cloves garlic, minced
1 lb asparagus, trimmed and cut into 1-inch pieces
15 oz part-skim ricotta cheese
1 tsp salt
1/2 tsp black pepper
4 oz shredded part-skim mozzarella