Mushroom Zucchini Lasagna Rolls

Name: Mushroom Zucchini Lasagna Rolls
Cuisine: European, Italian, Mediterranean
Ingredients: 4 large zucchini thinly sliced lengthwise (I used a mandoline); 1 Tbsp olive oil for brushing + 1 additional Tablespoon for sautéing; 1 small sweet yellow onion (finely diced); 2 fresh garlic cloves (minced); 8 oz fresh mushrooms (chopped well); 1 tsp dry Italian seasoning; 16 ounces high quality marinara sauce; sea salt and fresh ground pepper (to taste); 1/3 cup organic ricotta; 1 free range egg; 1/4 cup freshly grated Parmesan cheese; a handful or fresh parsley (finely chopped); 1/2 cup shredded mozzarella cheese