Muffin pan chorizo frittatas

• 120 g chorizo, cut into pieces (1-2 cm)
• 120 g red onion, thinly sliced
• 200 g capsicum, diced
• 200 g broccoli, broken into small florets (1 cm)
• 120 g Manchego or Parmesan cheese, cut into pieces (2 cm)
• 80 g cheddar cheese, cut into pieces (2 cm)
• 12 eggs
• 120 g pouring (whipping) cream
• 70 g milk
• 1 pinch sea salt
• 1 pinch ground black pepper

Tomato relish

• 80 g red onion
• 1 garlic clove
• 2 tbsp extra virgin olive oil
• 250 g cherry tomatoes, cut into halves
• 2 tsp balsamic vinegar
• 3 tsp brown sugar
• ¼ tsp sea salt