Chili Sin Carne (Vegan Chili) with Dark Chocolate

Name: Chili Sin Carne (Vegan Chili) with Dark Chocolate
Cuisine: American, Mexican, Latin American
Ingredients: 2 brown onion; 3 garlic cloves; 1 large carrot; 2 red capsicums; 3 Tbsp oil; ¼ tsp chili flakes; ¼ cup sliced jalapenos (from a jar); A big handful of button mushrooms; ½ Tbsp smoked paprika; ½ Tbsp cumin; 1 tsp dried orgeano; 2 Tbsp tomato paste; 1 400g tin of black beans; 2 400g tins of pinto beans; 2 400g tins of chopped tomatoes; 1 lime, juice (about 1 Tbsp, or more to taste); 2 small squares of (roughly 10g max) dark chocolate*; To serve: corn chips, sliced avocado, a dollop of yoghurt, fresh herbs...