Mushroom Kale Dip

Name: Mushroom Kale Dip
Ingredients: 2 teaspoons olive oil; 1 small shallot, minced (about 1 tablespoon); 1 garlic clove, minced; 5 large leaves of kale, removed from the stems; 4 ounces diced mushrooms (I used a mix of shiitake and cremini mushrooms); 1/2 cup grated Parmesan-Reggiano; 1 cup grated low-moisture mozzarella, plus more for topping; 3 ounces cream cheese, softened; 1/4 teaspoon red pepper flakes; Salt to taste (about 1/2 teaspoon); Tortilla chips or slices of bread for serving