Sagey Mushroom Nut Roast

Name: Sagey Mushroom Nut Roast
Prep time: 45 min
Cook time: 45 min
Total time: 1 h 30 min
Cuisine: American
Ingredients: 2 cups walnuts, toasted; 2 tablespoons olive oil or butter; one large onion, diced; 1 1/2 cup celery, diced; 1 1/2 cup carrots, very thinly sliced half-moons (no need to peel); 1 lb mushrooms- cremini, portobello, button, shiitake or a mix, (5-6 cups sliced ); 4 cloves garlic, rough chopped; 1 1/4 teaspoon salt; 1/2 teaspoon pepper; 1 tablespoon fresh sage leaves, chopped (or sub thyme); 1 tablespoon miso paste; 2 tablespoons whole-grain mustard; 3 large eggs; 1 1/2 cups oats; optional: 3/4 cup cottage cheese and/or 3/4 cup grated cheese- cheddar, jack, mozzarella