Mushroom and Walnut Spicy “Bolognese”

Ingredients

• 2 tbsp cold-pressed olive oil
• 1 large onion, finely chopped
• 2 large garlic cloves, center germ removed and finely chopped
• 2 cups brown mushrooms, half sliced and half cut into fine strips
• 1 cup walnuts, finely chopped
• 2 plum tomatoes, roughly chopped
• 2 x 400ml cans peeled, chopped tomatoes
• 2 tbsp apple cider vinegar
• 1 tbsp organic tomato paste
• 1 tbsp dried oregano
• 1 tbsp dried basil
• 1 tsp ground cumin
• 1 tsp paprika powder
• 1/4 tsp (or more) dried chili flakes
• sea salt
• black pepper