Creating Crispy Angel Cake Churro Bites is straightforward if you follow these simple steps:

1. Preheat Oil: Heat oil in a deep fryer or large pot to 350°F (175°C).
2. Prepare Dry Ingredients: In a mixing bowl, sift together the cake flour, 1 cup of granulated sugar, and salt.
3. Whip Egg Whites: In a separate bowl, beat the egg whites and cream of tartar until soft peaks form. Add vanilla extract and continue whipping until stiff peaks form.
4. Combine Mixtures: Gently fold the whipped egg whites into the dry ingredients. Be careful not to deflate the egg whites.
5. Add Butter: Slowly drizzle in the melted butter while continuing to fold the mixture until just combined.
6. Fry Bites: Using a piping bag or a spoon, drop small amounts of the batter into the hot oil. Fry until golden brown, about 2-3 minutes per side. Remove and drain on paper towels.
7. Coat with Cinnamon Sugar: In a shallow bowl, mix the remaining 1/2 cup of sugar with ground cinnamon. Roll the warm churro bites in this mixture until fully coated.

These steps will guide you in creating these incredible bites effortlessly.