Mexican bean and capsicum soup

Ingredients (4 servings) 1 tablespoon olive oil 1 onion, chopped 1 clove garlic, crushed 2½ cups chicken stock 400g can tomato pieces 2 tablespoons tomato paste 420g can Red Kidney Beans, drained 1 small red capsicum (bell pepper), chopped 1 small green capsicum (bell pepper), chopped 1 teaspoon Mexican seasoning (or any chili seasoning of…