Salad with strawberries, cucumbers and melon

Ingredients:

• 1/4 small red onion, thinly sliced
• 450 g strawberries, hulled and quartered
• 1 English cucumber, sliced
• 1/2 small cantaloupe, peeled and sliced ​​(about 2 1/2 cups)
• 2/3 cup fresh dill, chopped
• 4 cups spinach (about 100 g)
• 1/3 cup mustard vinaigrette (see recipe below)

Preparation:

1. Soak red onion in cold water for 10 minutes, then drain and pat dry.
2. Combine the onion, strawberries, cucumber, melon, and dill in a large bowl. Season with salt and pepper to taste and stir to distribute the ingredients evenly. Let sit until the cucumber releases its juices, about 10 minutes.
3. Add the spinach and vinaigrette to the bowl, season with salt and pepper, and toss to coat the vegetables.
4. Vinaigrette dressing with mustard.
   
   In a bowl, combine 1/4 cup white wine vinegar, 1 tablespoon Dijon mustard, 1/2 teaspoon coarse salt, and a pinch of ground black pepper. Slowly pour in 2/3 cup olive oil, whisking constantly until the dressing is thick and smooth. Season with salt and pepper to taste.
   Exit: about 1 tbsp.