Delicious Chill Hot Dog Jello Salad for Fun Parties

Ingredients

• 1 cup (240 ml) boiling water
• 1 (3 oz) package of orange-flavored gelatin (jello)
• 1 cup (240 ml) cold water
• 1 cup (150 g) diced hot dogs (preferably turkey or beef)
• 1 cup (150 g) diced celery
• 1/2 cup (75 g) diced bell pepper (red or green)
• 1/2 cup (75 g) finely chopped onion (optional)
• 1/2 cup (120 g) mayonnaise
• 1 tablespoon (15 ml) apple cider vinegar
• 1 teaspoon (5 g) Dijon mustard
• Salt and pepper to taste