This Caramelized Leek, Onion & Fennel Gratin is an easy one pan side dish that is creamy and so delicious. It's a great Vegan and Whole30 gratin to serve at your next family meal, everyone will love it without realizing its dairy free.
1/2cupcashewssoaked in boiling water for 10 minutes
2tbspnutritional yeast (sub for 1/4 cup parmesan if on SCD)
Preheat the oven to 175 degrees Celsius (350 degrees Fahrenheit)
In a high speed blender add the drained cashews and almond milk and blend until completely smooth. Pour the mixture into a pot and add in the mustard, pepper, nutritional yeast (or parmesan) and stock. Leave to simmer for 5 minutes or so until the liquid begins to thicken. It should coat the back of a spoon. Stir in 1 tsp fresh thyme
In a cast iron skillet heat the oil on medium heat and then add in the leeks, onion, fennel and garlic. Sprinkle with salt and leave to cook for 10 minutes, until they become soft, slightly caramelized and golden in colour.
Pour the cashew cream into the skillet and stir through so that it coats all of the vegetables. Transfer the skillet to the oven and bake for 20 minutes until bubbly and golden on top.
Before serving sprinkle with fresh chopped parsley or thyme.