
Why You’ll Love This Recipe
This high protein dip combines the classic, refreshing flavors of key lime pie in a 6-ingredient dip that takes 5 minutes to make and is perfect for sharing with a crowd or meal prepping for dessert.
Happy Sunday! Today I’m sharing something bright and refreshing as Hurricane Harvey continues to dump rain on Texas. Somehow the bands of rain dissipated just as they reached San Antonio, so we’ve gotten way less rain than was forecasted. Looks like there’s a lot of flooding just east of the city though. Sounds like it will pick up again this afternoon though. Thinking of everyone affected and all the first responders…check out this link for ways to help if you can.

Now, about the food…I’ve developed a soft spot for protein cheesecake this summer! It started with these Cherry Cheesecake Cups and has gotten a little out of hand 😉 I’m still saving up a few different versions that I’ve created for special occasions so my obsession may not be immediately obvious on the blog. But it’s fo real!
I served my cheesecake dip with fat free graham crackers, but you could use Nilla wafers, Teddy Grahams or even fruit or pretzels if you’d prefer. Or just stick that thing in a cup and eat it by the spoonful!


Ingredients and Substitutions
Here’s what you’ll need to recreate this Key Lime Pie Protein Dip recipe:
- Greek yogurt – I used a mixture of Chobani’s Zero Sugar Key Lime Pie Greek Yogurt and Fage 0% plain Greek yogurt, but you can absolutely use all flavored stuff for even more pronounced key lime pie flavor.
- Cream cheese – I used the 1/3 less fat version here to keep the macros in check. Be sure to soften it to room temperature or it won’t blend well. Since there is already so much Greek yogurt in this recipe, I don’t recommend subbing out the cream cheese with more of it – this helps keep the texture ultra creamy and the flavor on point.
- Protein powder – If you want the texture you see here, you have to use casein protein powder. Whey is NOT a suitable 1:1 substitute. Scroll down for more info on casein protein.
- Key limes – These are the little bitty limes you may see in the grocery store. They usually come in bags instead of loose like the big limes. If you can’t find them, a regular lime is the next best thing. Start with the juice and zest from 1 regular lime and add more to taste.
- Vanilla
I also added just a tiny bit of green gel food coloring to give it the gentle green color you see in the photos. The key lime pie yogurt and key lime juice don’t lend a lot of color, so I wanted to give it a little extra oomph. If you want to do the same, just start by dipping the tip of a toothpick into the gel food coloring about 1/4″ and wipe it onto to the blades of your hand mixer. Add more from there if you want, but be careful not to go overboard.

why it’s important to use
Casein Protein Powder
Casein protein powder is critical to the success of this recipe. It helps thicken up the mixture and yields an ultra creamy, cheesecake-like texture. Whey, on the other hand, would leave you with a much denser and runnier result. Do NOT try to use whey protein instead of casein!
If you don’t have casein or don’t want to buy it, you could try a mixture of 1/2 whey protein and 1/2 vanilla instant pudding mix. Add more pudding mix as needed to thicken the dip to the desired consistency.

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Key Lime Pie Protein Dip
Ingredients
- 3 5.3 oz cups Chobani Zero Sugar Key Lime Pie Flavored Greek Yogurt
- 1 5.3 oz cup Fage 0% plain Greek yogurt
- 8 oz 1/3 less fat cream cheese, softened to room temperature
- 1 1/2 scoops Optimum Nutrition Casein Protein Powder, Creamy Vanilla, 50 grams
- 5 key limes, juiced and zested
- 1 tsp vanilla extract
Instructions
- Add all ingredients to a bowl and blend using a hand mixer until smooth.
- Top dip with crushed graham crackers if desired and serve with cookies, crackers, or fruit.
Tips & Tricks

Nutrition Information
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