Swiss Chard Casserole

Name: Swiss Chard Casserole
Prep time: 20 min
Cook time: 35 min
Total time: 55 min
Cuisine: European
Ingredients: 1 small onion, diced small; 1 T minced garlic (more or less to taste); 2 tsp. + 2 tsp. olive oil; 8 oz. mushrooms, diced into small pieces (see notes); 2 tsp. soy sauce (see notes); 1 large bunch Swiss chard, stems cut out and cut into thin ribbons and then chopped (see notes); 3/4 cup grated Mozzarella cheese; 1/4 cup Hemp Hearts (see notes); 8 eggs, beaten (or a few more if you're using a larger baking dish); 1 tsp. Spike Seasoning; 1/2 cup Parmesan