Cos wedge salad - delicious. magazine

Ingredients

• 1 small red onion, finely chopped
• 1 tbsp white wine vinegar
• 6 smoked streaky bacon rashers
• 4 tbsp fresh breadcrumbs
• ½ tsp mustard powder
• ½ tsp garlic granules
• 80g blue cheese, crumbled (see Tips)
• 150ml buttermilk
• 4 tbsp mayonnaise
• Small handful dill, chopped
• 10 cherry tomatoes
• 2 baby cos lettuce (see Know-how)