Cajun Spiced Tofu Tostadas with Beet Crema

Name: Cajun-Spiced Tofu Tostadas with Beet Crema
Ingredients: 8 corn tortillas; 2 tablespoons avocado oil, divided; 3 cups shredded cabbage; ½ mango, julienned (see Tip); 2 tablespoons lime juice, divided; 1 tablespoon chopped fresh cilantro; ¾ teaspoon salt, divided; 1 small cooked beet, shredded; ⅓ cup sour cream; 1 small clove garlic, grated; 1 14- to 16-ounce package extra-firm tofu, drained, crumbled and patted dry; 2 tablespoons salt-free Cajun seasoning; 1 avocado, diced