Mushroom quinoa tartlets with truffle oil

Name: Mushroom quinoa tartlets with truffle oil
Prep time: 25 min
Cook time: 1 h 35 min
Total time: 1 h 35 min
Yield: 24 portions
Ingredients: 80 g unsalted butter; 80 g brown rice; 60 g buckwheat groats; 50 g quinoa; ½ tsp salt; 1 ½ tsp xanthan gum; 1 egg; 40 g cold water; 20 g dried mushrooms; boiling water; 1 garlic clove; 2 tsp olive oil; 60 g cream cheese; 10 sprigs fresh chives; 30 g walnuts; 1 - 2 pinches salt; 1 - 2 pinches ground black pepper; 2 tsp truffle oil; 150 g fresh mushrooms; fresh thyme