'Clean out the fridge' pasta

Ingredients

• 250 grams fettuccine
• 2 tablespoons oil
• 1 onion, finely chopped
• 1 teaspoon minced garlic
• 2 1/2 rashers bacon, chopped
• 1 tablespoon fresh thyme
• 1/2 smoked chicken breast, finely chopped (optional)
• 1/4 cup mushrooms (or peas, carrots and corn)
• 1 courgette, diced
• 250 grams lite crème fraîche
• 1 bunch spinach (washed and chopped)
• a spoonful of pesto/olives/sun-dried tomatoes or chutney (optional)
• salt and pepper (to taste)
• chopped parsley and very fine dice of chilli for garnish (optional)