Foryoueats: The best Potato Salad

Ingredients

• Potato Salad:
• 1 kg / 2 lb potatoes peeled and cut into 2cm/ 3/4" cubes (Aus – Sebago, Colban; US – Russet, Idaho Yukon; UK – Maris Piper, King Edward) (Note 1)
• 2 tsp cooking / kosher salt , for cooking potatoes
• 250g / 8oz streaky bacon
• 1/2 cup French Dressing – homemade (below) or store bought (Note 2)
• 3/4 cup cucumber, finely diced (1 x 15cm/6" cucumber, cut lengthwise and remove watery seeds first)
• 1 cups celery, finely sliced diagonally (~ 2 ribs)
• 1/4 cup white onion, finely minced , ~ 1/2 onion (Note 3)
• Potato Salad Dressing:
• 1/3 cup mayonnaise , preferably whole-egg
• 1/3 cup sour cream , full fat (sub yogurt)
• 1 tbsp horseradish cream (or horseradish relish) (Note 4)
• 1/2 tsp cooking / kosher salt
• 1/4 tsp black pepper
• French Dressing (essential! Note 2):
• 1 tbsp dijon mustard
• 2 tbsp white wine vinegar (sub apple cider vinegar)
• 1/4 cup extra virgin olive oil
• 1 tbsp water (for volume, rather than more oil)
• 1/2 tsp white sugar
• 1/2 garlic clove , finely grated or minced
• 1/2 tsp salt