Mushroom Quesadillas by Kathy Jollimore of Eat Halifax Makes 4. Lime crema Prepare lime crema by combining all ingredients. Set aside. Melt butter in a skillet over medium-high heat. Sauté onions til starting to become translucent, about 3 min. Add mushrooms, jalapeno, and garlic. Add a good pinch of salt and pepper. Cook til mushrooms …