Cornmeal Biscuits with Chorizo Gravy and Scallions recipes

Name: Cornmeal Biscuits with Chorizo Gravy and Scallions recipes
Ingredients: 1 cup all-purpose flour; 3/4 cup cornmeal; 1 tablespoon sugar; 1 1/2 teaspoons baking powder; 1 teaspoon baking soda; 1 teaspoon kosher salt; 1/4 teaspoon black pepper, freshly ground; 1/2 cup (1 stick) chilled unsalted butter, cut into pieces; 3/4 cup buttermilk; 1 tablespoon vegetable oil; 1 pound fresh chorizo, casings removed; 3 tablespoons all-purpose flour; 2 1/2 cups whole milk; kosher salt; freshly ground pepper; hot sauce; 1 avocado, sliced; 4 scallions, thinly sliced; 2 radishes, thinly sliced; 1/2 cup cilantro leaves with tender stems; 1/2 cup Cotija cheese or queso fresco (optional)