Asparagus and Mushroom Galette Recipe

Name: Asparagus and Mushroom Galette Recipe
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Cuisine: American
Ingredients: 1 sheet puff pastry (thawed (½ of a 17 oz package)); 8 ounces mushroom (sliced); 1 pound asparagus (cut in 1-inch pieces (reserve tips)); 1 shallot (sliced); 4 ounces mascarpone cheese; ½ - ¾ cup parmesan cheese (grated or shredded); 2-3 ounces fresh mozzarella (in small pieces); 1 teaspoon thyme leaves (fresh (about 1 teaspoon dried))