Whip Up This Vegan Pastel de Choclo

Name: Whip Up This Vegan Pastel de Choclo
Ingredients: olive oil; 1 large eggplant; 9 ounces button mushrooms; 1 onion; 3 garlic cloves; 1 jalapeno; 1 red bell pepepr; 1 tablespoon tomato paste; 1 teaspoon cumin seeds; 1 teaspoon dried oregano; 4 1/2 ounces canned or fresh tomoatoes; 1 tablespoon red wine vinegar; 7 ounces firm tofu; 4 1/2 ounces black olives; 1 tablespoon sweet paprika; 1 tablespoon soy sauce; 2 1/2 cups soy milk; 1 cup plus 2 tablespoons butter; 1 2/3 cups creamed corn; 1 tablespoon nutritional yeast (optional); 1 cup frozen corn kernels; 2/3 cup fine polenta; sea salt flakes; 1/4 cup lemon juice; 1 tablespoon agave syrup; 1/2 tablespoon Dijon mustard; 1/2 teaspoon salt; 1/2 teaspoon pepper; 1/3 cup extra-virgin olive oil