Preheat oven to 375 degrees F.
In a bowl, mix together cream cheese, mayonnaise, and ketchup. Stir in roast beef, cheddar cheese, and garlic powder. Mix well and set aside.
4 oz. cream cheese, softened to room temperature, 1 tablespoon mayonnaise, 1 tablespoon ketchup, ¼ cup finely diced roast beef, ¼ cup shredded cheddar cheese, 1/8 teaspoon garlic powder
Unroll the crescent roll dough and separate into triangles.
1 (8 ounce) tube refrigerated crescent roll dough
Spread each triangle with cream cheese mixture, leaving a border around the edge. Roll up to form crescent rolls.
Place rolls on a large baking sheet. Bake for approximately 12 minutes, or until golden brown.
After baking, allow to cool on baking sheet for a few minutes before removing.