Sourdough Cornbread Recipe

Name: Sourdough Cornbread Recipe
Prep time: 30 min
Cook time: 25 min
Total time: 55 min
Cuisine: American
Ingredients: 8 oz active sourdough starter (1 cup, 100% hydration); 8 oz warm water (1 cup); 1 teaspoon salt; ¾ oz honey (1 tablespoon); 12 ½ oz all purpose flour (2 ½ cups, see note); 4 oz cornmeal (1 cup); 1 small onion (grated); 2 Jalapeno peppers (minced); 4 oz cheddar cheese (grated); 1 cup corn kernels (fresh or frozen); 1 teaspoon toasted cumin seeds; 1 egg (for egg wash)