Mango Brie Quesadilla

Name: Mango Brie Quesadilla
Ingredients: 1 ripe mango; 1/3 pound Brie, frozen; 2 flour tortillas (a no lard style, preferably); 1 tablespoon butter; Avocado Salsa, recipe follows; 1 medium avocado; 2 tablespoons red onion, diced fine; Pinch garlic powder; 1 tablespoon fresh lime juice; 1 tablespoon fresh chopped cilantro; 1/2 teaspoon jalepeno, chopped fine (optional); Kosher salt and black pepper, to taste