Southwestern Shrimp and Grits

Name: Southwestern Shrimp and Grits
Ingredients: 3 cups water; 1 cup whole milk; 1 teaspoon kosher salt, divided; 1 cup grits; 2 tablespoon olive oil; 1 poblano chile, seeded and sliced; 1 red bell pepper, seeded and sliced; ¾ pound large shrimp, peeled and deveined; 2 garlic cloves, chopped; 1 14-oz. can black beans, drained and rinsed; 1 ounce queso fresco (fresh Mexican cheese), crumbled (about ¼ cup); 1 lime, cut into wedges