BBC Food - Recipes - Alpine pizza

Ingredients

• 500g/1lb 2oz strong plain flour, plus extra for dusting
• 2 tsp salt
• 1 x 7g sachet of dried yeast
• 320ml/11fl oz lukewarm water
• dried breadcrumbs or semolina, for dusting
• 80g/3oz gruyère cheese, grated
• 250g/9oz crème fraîche
• salt
• freshly ground black pepper
• 1 large red onion , thinly sliced
• 140g/5oz salami , cut into strips
• marjoram leaves, to finish