Slow Cooker Queso Blanco

Bahan-bahan (12 porsi)

• 1 pound Monterrey Jack cheese, shredded
• 8 ounces deli American cheese, shredded
• 3 tablespoons cornstarch
• 3 (12-ounce) cans evaporated milk
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon ground cumin
• 1 teaspoon Kosher salt, or to taste
• 1 (7 ounce) can diced green chiles, undrained
• 2 jalapenos, minced