Kidney spinach oats

Name: Kidney spinach oats
Cuisine: American
Ingredients: 1 small onion, red or yellow; 1 cup oats, super fine (~90g); 1 1/2 cups of water or vegetable stock (more of needed) (375ml); 1 tsp smoked paprika; 1 tsp dried Italian herbs; juice of 1 lemon; salt to taste, optional; 1 Tbsp nutritional yeast; 1/2 cup kidney beans (~90g); a handful of frozen spinach; topping ideas: avocado, grated carrot, sprouts, fresh herbs