Cheesy Ground Beef Quesadillas

Name: Cheesy Ground Beef Quesadillas
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Cuisine: American
Ingredients: 1 tbsp. Unsalted Butter; 1/2 cup finely chopped Tomatoes (any variety); 1/2 cup finely chopped Bell Pepper (any color); 1/3 cup finely chopped White Onion; 1 clove Garlic (minced); Salt + freshly cracked Black Pepper; 1/2 lb. Ground Beef; 1 tbsp. Taco Seasoning; 1/3 cup Refried Beans; 3 10" Flour Tortillas; 1 1/2 cups Shredded Cheese (such as cheddar, pepperjack, monterey jack, or chihuahua cheese); Guacamole; Pico de Gallo