Baked Chicken and Spinach Flautas

Name: Baked Chicken and Spinach Flautas
Ingredients: 1 pound boneless, skinless Chicken Thighs (about 4); 16 ounces Beer (or chicken broth); 2 cups Water; 1 teaspoon Paprika; 1 teaspoon Kosher Salt; 1 teaspoon Garlic Powder; 1 teaspoon ground Cumin; 1 teaspoon Chili Powder; 1 Jalapeno Pepper, minced; 3 cups Baby Spinach, chopped; 5 burrito-size Flour Tortillas (9 inches); 6 ounces Queso Quesadilla or other melting cheese, shredded; 1 tablespoon Olive Oil, or cooking spray; Salsa, for serving