Shrimp Enchiladas

Preheat oven to 400°. In a large skillet, over medium heat, heat olive oil. Add garlic and cook until fragrant, 1 minute. Add onion, bell pepper, and jalapeño and cook until softened, 7 minutes. Add shrimp and season with salt and pepper. Cook until shrimp is pink and cooked through, 5 minutes. In a medium saucepan, over medium heat, melt butter then whisk in flour and cook until fragrant, 1 minute. Whisk in milk and sour cream until no lumps remain. Add green chilis, cumin, and season with salt and pepper. Simmer until thickened slightly, 5 minutes.