Heat oil in a pot and gently sauté the onion and garlic until the onion is soft.
Add the sliced chorizo and fry until the chorizo slices have good colour on both sides.
Stir in the tomato paste, tinned tomatoes, KNORR Chicken Stock Pot, water and drained lentils.
Allow to simmer uncovered for 10-15 minutes, stirring occasionally.
Add the baby spinach leaves and allow to wilt in the sauce then season (to taste) with salt and black pepper.
Serve on cooked pasta rice.