Protein shake recipes don’t have to be complicated. If you’re running low on time or you’re a protein-shake newbie, Adriana Lima has the perfect recipe for you. The model revealed to POPSUGAR that a protein smoothie is her favorite post-workout snack — and she gave us the actual recipe she uses. “You cook sweet potato, then add in peanut butter, almond water or milk, and ice,” she said. “That’s it and really delicious.”