Savoury potato and onion bake

Name: Savoury potato and onion bake
Prep time: 20 min
Cook time: 1 h 30 min
Total time: 1 h 50 min
Ingredients: 250 g raw cashews; 500 g filtered water; 1 tsp stock paste (see Tips); 1 tsp paprika, plus extra for sprinkling; ½ tsp salt; ½ tsp ground black pepper; 1 tbsp nutritional yeast (see Tips); 30 g extra virgin olive oil; 3 brown onions (approx. 540 g), cut into quarters; 3 garlic cloves; 800 g potatoes, peeled and cut into thin slices