01 -
Preheat the oven to 180 degrees Celsius.
02 -
Skin onions, deseed capsicums, and cut tomatoes, capsicum, and onions in half. Place into an ovenproof dish with rosemary. Drizzle with olive oil and season with salt and pepper.
03 -
Cut the top off the garlic head and place into a covered ovenproof pot or foil. Drizzle with olive oil, season with salt and pepper, and roast for 1 hour.
04 -
Squeeze garlic from skins, remove rosemary stems, and place all roasted ingredients in a pot with stock and most of the basil. Bring to a boil, reduce to low, and simmer uncovered for 20 minutes.
05 -
Allow soup to cool slightly then blend until smooth using a standard or stick blender.
06 -
Ladle soup into bowls, drizzle with heavy cream if using, and garnish with fresh basil leaves.
07 -
Spread garlic confit and a thin layer of mustard on one bread slice. Add cheese, top with another slice, and brush both sides with mayonnaise and grated cheese.
08 -
Melt butter with olive oil in a pan over medium heat. Reduce to low and cook toastie for 10 to 15 minutes per side until golden and crisp.
09 -
Serve the cheese toastie alongside the hot tomato soup.