Shrimp and Waffles

Name: Shrimp and Waffles
Ingredients: 1 cup cornmeal; 1 cup all-purpose flour; 1/2 cup grated Parmesan; 2 teaspoons baking powder; Kosher salt; 1/4 teaspoon cayenne pepper; 1/4 teaspoon garlic powder; 1 1/2 cups buttermilk; 3 tablespoons grapeseed or vegetable oil; 1 tablespoon packed light brown sugar; 2 large eggs; Cooking spray; 1 pound large peeled, deveined shrimp, tails removed; Kosher salt and freshly ground black pepper; 2 tablespoons olive oil; 1/2 cup dry white wine; 1 cup grape or cherry tomatoes, halved; 4 scallions, sliced; 4 tablespoons unsalted butter, cut into pieces; 1/4 cup grated Parmesan; 2 teaspoons hot sauce, plus more for serving; Lemon wedges, for serving