Multicolored Sweetpotato Farmer's Salad - North Carolina Sweetpotatoes

Ingredients

• Sweetpotatoes
• 3 tbsp olive oil
• 1 tsp salt
• 2 ears corn
• 2 heads radicchio
• 125 ml buttermilk
• 60 g mayonnaise
• 4 tsp lemon juice
• 2 tsp Dijon mustard
• 1 small clove garlic
• 2 tbsp fresh dill
• 1 tbsp chives
• 1 head Romaine lettuce
• 1 small red onion
• 8 strips bacon
• 4 hard cooked eggs
• 250 g boiled chicken
• 1 avocado
• 350 g cherry tomatoes
• 115 g grated blue cheese
• 300 g courgettes