Firecracker Wraps

Previously titled "Philly Firecrackers" - I didn't give them that name, that was the title given by Southern Living. That being said, I hope you enjoy these portable roll-ups as part of your Fourth of July Celebration or your next picnic! So delicious!!! from Southern Living Plan ahead -- Cooking time is chilling time.

• Ready In: 8 hrs 15 mins
• Serves: 8

Ingredients

• 1⁄2 cup sour cream
• 1⁄2 cup mayonnaise
• 1  green onion, chopped
• 2  tablespoons  prepared horseradish
• 1⁄2 teaspoon salt
• 1⁄2 teaspoon pepper
• 8 (12 inch)  flour tortillas
• 1  lb roast beef, cut into 24 thin slices
• 2 (6 ounce) packages  deli-style sharp cheddar cheese slices
• 2  cups  shredded iceberg lettuce
• 1  tomatoes, thinly sliced (optional)

Directions

1. Stir together first 6 ingredients until blended. Spread evenly on one side of each tortilla; top with 3 beef slices and, 2 cheese slices. Sprinkle evenly with shredded lettuce and sliced tomatoes if using.
2. Roll up tortillas tightly; wrap in parchment paper or plastic wrap. Chill 8 hours.