chili lime cilantro shrimp tacos

Name: chili lime cilantro shrimp tacos
Ingredients: 3 large plantains. peeled and diced; 1 large egg, whisked; 2 tablespoons melted coconut oil (can sub in avo oil or ghee); 1 teaspoon sea salt; 2 tablespoons water; 1 tablespoon avocado oil; 1 lb raw shrimp, peeled, deveined with tails removed; 1 tablespoon chili powder; Juice of 2 fresh limes. divided; 2 cloves garlic, minced; 1 cup shredded cabbage (either red cabbage or slaw mix (or a combo of both)); 1 tablespoon apple cider vinegar; 1/4 cup mayonnaise; cilantro, for garnish (optional); jalapeno, sliced, for garnish (optional)