Tangy Watermelon Salad

Ingredients

• 14 cups cubed seedless watermelon
• 1 medium red onion, halved and thinly sliced
• 1 cup chopped green onions
• 3/4 cup orange juice
• 5 tablespoons red wine vinegar
• 2 tablespoons plus 1-1/2 teaspoons honey
• 1 tablespoon finely chopped sweet red pepper
• 1/2 teaspoon salt
• 1/4 teaspoon onion powder
• 1/4 teaspoon garlic powder
• 1/4 teaspoon ground mustard
• 1/4 teaspoon pepper
• 3/4 cup vegetable oil