
A creamy, chocolate-peanut butter smoothie that tastes like a dessert but fuels your day—made with a frozen banana, cocoa, peanut butter, chia, and protein.

This Peanut Butter Cup Smoothie has been my weekday morning ritual ever since I first blended it on a sleepy Sunday a few years ago. I discovered the combination while trying to recreate a chocolate-peanut butter dessert in a healthy, drinkable form, and the first sip felt like a small celebration: rich cocoa, nutty body from the peanut butter, and the gentle sweetness and thickness of a frozen banana. It quickly became my go-to quick breakfast when I needed something portable, filling, and satisfying. Friends and family who taste it often say it reminds them of a peanut butter cup, but without being overly sweet.
What makes this smoothie special beyond the nostalgia is its texture. The frozen banana and a tablespoon of chia give it a velvety, almost milkshake-like density while still being light enough to drink. Using non-dairy milk keeps it bright and dairy-free, and a scoop of protein powder turns it into a recovery drink after a workout or a complete on-the-go meal. I like to blend it until perfectly smooth and then spoon on a little crunchy granola for contrast; that interplay of creamy and crunchy is a small ritual I look forward to every time.
From my experience, this smoothie quickly became a family favorite—my partner asks for it after morning runs, and our teenager will choose it over a packaged snack any day. I first tested it on a rainy weekend, and the upbeat responses convinced me to keep the ratios almost exactly as they are now. Little tweaks over time—like using a slightly thicker peanut butter or switching to a chocolate plant-based protein powder—have refined the flavor, but the essence remains the same: simple, reliable, and delicious.
My favorite part of this drink is how versatile it is. We first served it after a neighborhood 5k and it became the unofficial post-run reward because it tastes indulgent but restores energy. I love that it doubles as both a treat and a practical meal: little prep, big satisfaction, and the ability to tweak it for dietary needs without losing the essence of chocolate and peanut butter.
Store any leftover smoothie in an airtight container in the refrigerator for up to 24 hours; separation is natural, so stir or shake before drinking. For longer storage, freeze in portion-sized jars or ice cube trays for up to 3 months. Thaw overnight in the fridge and reblend or stir to recombine. If you plan to prep for the week, keep dry ingredients portioned in small bags (chia, cocoa, protein) and add fresh frozen banana and milk when blending to keep the texture at its peak.
To make this recipe vegan, use a plant-based protein powder and confirm your peanut butter contains no added dairy. If avoiding peanuts, swap to sunflower seed butter or almond butter—use the same volume but expect slight changes in saltiness and flavor. For lower sugar, replace the banana with 1/2 an avocado plus a small handful of frozen berries; the avocado preserves creaminess while reducing sweetness. If you do not have chia, substitute with 1 tablespoon ground flaxseed, but add it right before blending to avoid grainy texture.
Serve the smoothie in a chilled tall glass and garnish with a sprinkle of cocoa powder, a drizzle of peanut butter, chopped roasted peanuts, or a small handful of granola for crunch. Pair it with whole grain toast and fruit for a balanced meal, or offer it as a dessert alternative after dinner. It also works well poured into a bowl topped with sliced banana, toasted coconut, and a sprinkle of cacao nibs for a more substantial smoothie bowl presentation.
In summer, use ripe frozen bananas and swap non-dairy milk for chilled coconut water for a lighter, more refreshing version. In colder months, add a pinch of cinnamon and replace part of the milk with warm brewed coffee for a mocha-inspired twist. For holiday flavors, blend in a quarter teaspoon of pumpkin pie spice or a small spoonful of hazelnut praline spread for a special treat. Small seasonal swaps keep the base familiar while adapting flavor profiles for events or weather.
If you want ready-to-blend packs, assemble single-serving bags with the chia, cocoa, and protein powder in the freezer. Add frozen banana slices into the bag and freeze. When it is time to blend, dump the bag in the blender, add non-dairy milk and peanut butter, and blend. Use insulated bottles to keep the smoothie cool for hours. For batch serve, double the recipe and store in sealed bottles; shake well before pouring to redistribute ingredients.
Ultimately, this Peanut Butter Cup Smoothie is about approachable pleasure: quick to make, easy to adapt, and reliably satisfying. Whether you want it as a morning boost, a post-workout refuel, or a comforting afternoon pick-me-up, it has a place on the menu. I hope you enjoy making it part of your routine and put your own spin on the toppings and swaps.
Freeze bananas in advance in single-serving portions to make mornings faster.
Layer liquids first in the blender to reduce clumping and improve blade action.
If the smoothie is too thick, add milk 1 tablespoon at a time and pulse to reach desired consistency.
For extra creaminess without extra calories, use chilled unsweetened oat milk.
This nourishing peanut butter cup smoothie recipe is sure to be a staple in your kitchen. Enjoy every moist, high protein slice — it is perfect for breakfast or as a wholesome snack any time.
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This recipe looks amazing! Can't wait to try it.
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