Curried Vegetable Stew

Name: Curried Vegetable Stew
Ingredients: 6 tablespoons vegetable oil; 2 cups diced onions; 1 red pepper, diced; 6 tablespoons Jamaican or Madras curry powder; 2 tablespoons chopped garlic; 2 tablespoons chopped ginger; Kosher salt and freshly ground black pepper; 2 cups large diced pumpkin; 1 (12.5-ounce) can chickpeas, drained and rinsed; 2 chayote, peeled, and roughly chopped; 2 cups large dice Yukon gold potatoes; 2 cups diced carrots; 6 sprigs thyme; 1 cup chopped scallions; Vegetable stock, to cover; 1 head cauliflower, cut into florets; Cheryl's Hot Sauce, to taste, recipe follows; 10 whole Scotch bonnet peppers, rinsed and stems removed; 1 to 1 1/2 cups white vinegar; 10 whole pimento seeds