Chile Con Queso

Name: Chile Con Queso
Prep time: 5 min
Cook time: 10 min
Total time: 15 min
Yield: 8
Ingredients: Ingredients; 1 tablespoon butter; 1 small onion, finely diced; 2 cloves garlic, minced; 1 small jalapeño, finely chopped (seeds removed for less heat); 1 can (10 oz) diced tomatoes and green chiles (like Rotel), drained; 2 cups shredded cheddar cheese (or a mix of cheddar and Monterey Jack); 1/2 cup milk (or more as needed); 1/4 teaspoon cumin; 1/4 teaspoon chili powder (optional); Salt and pepper, to taste; Fresh cilantro (optional, for garnish); Tortilla chips (for serving)