Healthy whole-food protein bars based on a simple formula of egg whites, nuts, & dates, made three ways: espresso chocolate, peanut butter chocolate, & vanilla spiced chai.
Preheat oven to 300°.
Pulse nuts & dates in food processor until finely ground.
Transfer to a bowl and mix in all other ingredients except egg whites.
Beat in egg whites until thoroughly combined and glossy.
Pour into an 8x8 baking dish lined with parchment paper.
Bake at 300° for 45 minutes, until center is set and top is not shiny.
Use the parchment paper to remove the bars from the baking dish. Let cool for at least 15 minutes before slicing.
Cut into 6 bars. Leave bars out to dry for at least 4 hours or overnight.
Store in an airtight container in the fridge for up to a week.