Curried sausages and spinach recipe

Ingredients

• 1 tbsp vegetable oil
• 0.5 tsp brown mustard seeds
• 0.5 tsp fennel seeds (optional)
• 1 small onion, finely sliced
• 6 g ginger, peeled weight
• 3 fat cloves garlic
• 2 medium tomatoes
• 0.3 tsp turmeric powder
• 1 tsp coriander powder
• 0.5 tsp garam masala
• 1 tsp cumin powder
• 350 g sausages, opt for your favourites
• 100 g baby spinach
• 75 ml whole milk