Asparagus Bacon and Goat Cheese Quesadilla

Name: Asparagus, Bacon and Goat Cheese Quesadilla
Ingredients: 8 ounces thick cut bacon, sliced crosswise into 1/2-inch pieces; 1 teaspoon unsalted butter, plus more as needed; 1 shallot, thinly sliced; 1 pound pencil asparagus, trimmed, cut into 1-inch pieces; Kosher salt and freshly ground black pepper; 4 ounces fresh goat cheese (about 1/2 cup); 4 10-inch flour tortillas; 11/4 teaspoons chopped tarragon, dill, or parsley