Add white chocolate chips, almond butter, and butter to a medium bowl. Microwave on low until melted, about 3-4 minutes. Mix well until combined. Add Dei Fratelli Gluten-Free Tomato Soup and combine.
In a large bowl, toss together rice squares, pretzels, and almonds until evenly combined. Pour tomato mixture over top and mix well using a rubber spatula or hands. Pour mixture on a baking sheet and allow to cool. Place in refrigerator if necessary.
Once cooled, place mixture in a large resealable bag. Pour desired amount of powdered sugar on top and seal bag. Shake until pieces are evenly coated, about 1 minute.