Baked Polenta with Tomato &Basil Sauce

Ingredients: 1 tbsp plus 1 tsp olive oil or coconut oil, plus extra for greasing 150g/5 ½ oz/1 cup polenta/cornmeal 30g/1oz1/4 cup ground almonds (optional) 11/35fl oz 4cups vegetable stock 2 tsp lemon juice 60g/2 ¼ oz/heaped 1/3 cup pine nuts (optional) 1 onion, chopped 1 garlic clove, crushed 400g/14oz/scant 1 2/3 cups canned/crushed Tomatoes