Corn and Zucchini Ricotta Stuffed Shells

Name: Corn and Zucchini Ricotta Stuffed Shells
Ingredients: 1 pound pasta shells; 2 cups ricotta; 1/4 cup parmigiano reggiano (parmesan), grated; 1 cup zucchini, shredded and squeezed (to drain excess liquid); 1/2 cup corn; 2 tablespoons basil, sliced or chopped; 1 teaspoon lemon zest; salt and pepper to taste; 2 cups marinara sauce; 1 cup mozzarella, shredded