Here are some variations:
Blueberry: add 1/2 cup of blueberries to the mix and use either plain unflavored or vanilla flavored whey protein. And 1 tsp stevia glycerite or sweetened to your liking. (Adds 2g of carbs per bagel)
Chocolate chip: Use unflavored or chocolate whey protein and add 1/4 cup Lily’s chocolate chips (Adds 3g of carbs per bagel) or 1/4 cup shaved dark chocolate, 85% or higher. And 1 tsp stevia glycerite or sweetened to your liking. (Adds 2g of carbs per bagel).
Cinnamon: Use “cinnamon crunch” flavored whey, add 2 tsp cinnamon, 1 tsp vanilla and 1 tsp stevia glycerite (or sweetened to your liking) Adds 1g of carbs per bagel.
Pumpkin Spice: Use vanilla flavored whey, 1 tsp stevia glycerite and 2 tsp pumpkin pie spice.
Garlic Cheddar: Use unflavored whey protein and add 1/2 cup shredded cheddar cheese and 1/2 tsp garlic powder.
Everything: Use unflavored whey protein and add 2 tsp “everything but the bagel” seasoning from Trader Joes.