23 spinach and walnut stuffed with Recipes

olive oil, plus more for oiling the pan, red onion, chopped finely, stalk celery, chopped finely, chopped mushroom (button , portobella or shitake), chopped carrot, bell peppers (tops removed and reserved, then cored and seeded), chopped parsley, baby spinach, ground cinnamon (optional, or try using chili powder or curry powder), ground cumin, uncooked quinoa, rinsed and cooked according to package directions, salt, fresh ground black pepper, roasted salted nuts (cashews, walnuts, almonds, etc.), pasta sauce (optional)

pork tenderloin (well trimmed , about 12 oz. each), butter, garlic clove (minced ), shallots (chopped ), mushrooms (white and cremini, sliced), fresh spinach, red wine, brie cheese (chopped ), tart apple (with peel, chopped ), walnuts (toasted, chopped ), dried thyme, salt and pepper, canola oil