Cheesy Spinach Stuffed Shells Recipe!

large box Jumbo shells (about 35 shells)

onion, finely diced*

fresh spinach, chopped (I use the food processor)*

mushrooms, finely diced (also use the food processor)* 15 ounces part skim ricotta cheese

⁄4 cup basil leaves, chopped

egg

⁄2 cup bread crumbs

⁄3 cup parmesan cheese, shredded, divided

dried oregano

thyme

garlic powder

salt

⁄2 tsp ground black pepper

jars marinara sauce