Vegan Canoas de Plátano Maduro

Name: Vegan Canoas de Plátano Maduro
Ingredients: 3 ripe plantains; 1 tbsp olive oil; 1 small onion (finely chopped ); 1/2 green pepper (finely chopped ); 2 small sweet peppers (finely chopped ); 1 tbsp minced garlic; 1/2 bag beefless crumbles; 1 pack of baby bella mushrooms (finely chopped ); 1 can black beans (washed and rinsed ); 1/2 cup tomato sauce; 1 tsp adobo seasoning; 1 tsp sazon seasoning; 1 tsp garlic powder; 1 tsp onion powder; fresh cilantro (finely chopped ); 1 tbsp green olives; 1-2 cups vegan cheese; salsa to serve (optional); avocado to serve (optional)