Blackened Shrimp and Grits Recipe

Name: Blackened Shrimp and Grits Recipe
Prep time: 5 min
Cook time: 45 min
Total time: 50 min
Cuisine: American
Ingredients: 2 1/2 cups low sodium chicken broth (divided); 1 1/4 cups fat free milk; 1/4 cup water; 1 teaspoon kosher salt; 1 cup quick cooking grits (not instant); 1/2 tablespoon butter; 1 1/2 oz sharp cheddar cheese (freshly grated, divided); 1 tablespoon grated Parmesan cheese; 1/2 tablespoon paprika; 1/4 teaspoon dried cayenne pepper; 1/2 teaspoon garlic powder; 1/2 teaspoon dried thyme; 1/2 teaspoon dried oregano; 1/4 teaspoon kosher salt; 1/8 teaspoon black pepper; olive oil spray; 24 Jumbo shrimp (about 1 lb cleaned and deviened); 3 tablespoons scallions (sliced); lime wedges (for serving)