Spinach, Cheddar and Basil Muffins

Ingredients

• 1,5 cups all purpose flour
• 2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• pinch chilli powder (to season)
• black pepper (to season)
• 1 brown onion (finely chopped)
• 1 tablespoon coconut oil (to fry onion)
• 90 gr butter (melted)
• 1 large egg (whisked)
• 1 cup almond milk (or normal milk)
• 1 cup cooked spinach (chopped)
• 2 tablespoons fresh basil (chopped fine)
• 1 cup mature cheddar cheese (grated)