Peanut Butter Milkshake Recipe: Thick PB Shake with Milk Frother

Peanut butter milkshake is a thick, protein-rich shake made with peanut butter, half a ripe banana, and cold milk. Mash the banana first, add peanut butter and milk, then froth vigorously for 20-25 seconds. The frother blends the thick peanut butter into the milk smoothly without needing a blender.

Peanut butter is hard to mix into cold milk. It clumps, sticks to the glass and sinks, no matter how hard you stir. A milk frother fixes this. Its fast-spinning whisk breaks the peanut butter into tiny drops and spreads them through the milk. You get a smooth, creamy shake with a nutty taste in every sip. The banana adds natural sweetness and body. The shake tastes like a dessert, but it also gives you protein, potassium and fat that keeps you full. I make it as an afternoon snack or a quick drink after a workout.

Can You Add Peanut Butter to Milk?

Yes, you can mix peanut butter in milk. One tablespoon (16 g) of peanut butter in a 250 ml glass of whole cow milk gives about 284 kcal and 12 g of protein. It is safe for anyone who is not allergic to peanuts or milk. Peanut butter is just ground roasted peanuts, and nothing in it reacts badly with milk. The only problem is mixing. Peanut butter is thick and oily, so it clumps and sinks in cold milk. Whisk it for 20–25 seconds with a frother, or use milk at room temperature, and it mixes in evenly.

Here is how we got those numbers. Peanut butter has 598 kcal and 22.2 g of protein per 100 g, per USDA FoodData Central record 174266. USDA lists 2 tablespoons as 32 g, so one tablespoon is 16 g. That tablespoon gives about 96 kcal and 3.6 g of protein. Indian whole cow milk has 305 kJ (about 73 kcal) and 3.26 g of protein per 100 g in IFCT 2017, food code L002. A 250 ml glass weighs about 258 g, so the milk gives about 188 kcal and 8.4 g of protein.

Values are per the records named in each row. The milk weight uses USDA's 30.5 g per fluid ounce of whole milk. Honey and ice are not counted. Your peanut butter brand and milk will change these numbers a little.

Peanut butter ko dudh ke sath kha sakte hain? Haan, kha sakte hain. Peanut butter ko dudh mein daal kar pi bhi sakte hain. Peanut butter aur dudh saath lena safe hai. Sirf itna dhyan rakhein ki peanut butter gaadha hota hai, isliye woh apne aap nahi ghulta. 20–25 second frother chalayein, ya thoda room-temperature dudh use karein, phir woh achhe se mil jaata hai.

Dudh me peanut butter ke fayde? 1 chammach (16 g) peanut butter aur 250 ml dudh se lagbhag 284 kcal aur 12 g protein milta hai. Yeh pet bharne wala drink hai, halka nahi. Agar peanut ya dudh se allergy hai, toh na lein.

Four things to know before you mix the two:

• Cold milk is the hard case. Peanut butter stiffens as it cools, so straight-from-the-fridge milk is where clumping happens. Mash the peanut butter against the side of the glass first, or let the milk sit out for ten minutes.
• Natural peanut butter mixes more easily. The oil-separated kind is looser at room temperature than stabilised, processed peanut butter, so it disperses with less effort.
• It is a filling drink, not a light one. Peanut butter is 51.4 g fat per 100 g (USDA 174266), so one tablespoon adds about 8 g of fat. That turns a glass of milk into a snack rather than a drink.
• Warm milk mixes faster. Yes, you can put peanut butter in hot milk. Heat softens peanut butter, so it blends in with less stirring than in cold milk. Let very hot milk cool a little before you drink it.

Want it to taste like a shake, not like milk with peanut butter in it? Add half a ripe banana and froth it. That is the recipe below.

Ingredients

• Peanut butter — 1 tablespoon (creamy works best)
• Ripe banana — half
• Cold milk — 250 ml
• Honey — 1 teaspoon (optional)
• Ice cubes — 3 to 4

Step-by-Step: How to Make Peanut Butter Milkshake

1. Mash the banana. In a tall glass, mash half a ripe banana with a fork until it is a smooth paste with minimal chunks. The riper the banana, the sweeter and easier to mash. This step is important because a frother alone cannot break down solid banana pieces.
2. Add peanut butter. Drop 1 tablespoon of creamy peanut butter onto the mashed banana. Add 1 teaspoon of honey if you want extra sweetness.
3. Pour cold milk. Add 250 ml of cold milk to the glass.
4. Froth vigorously for 20-25 seconds. Submerge your frother and run it for 20-25 seconds, moving it up and down through the banana-peanut butter mixture. The frother will blend the peanut butter and banana into the milk, creating a thick, creamy, frothy shake. You may need to scrape the peanut butter off the bottom of the glass with the frother whisk if it sticks.
5. Add ice and give a final froth. Drop in 3-4 ice cubes and froth for another 5 seconds to incorporate them into the drink.

Tips & Variations

• Chocolate PB shake: Add 1 tablespoon of chocolate syrup or 1 teaspoon of cocoa powder before frothing. The chocolate-peanut butter combination is a classic for good reason.
• Protein PB shake: Add 1 scoop of vanilla or chocolate protein powder for a high-protein version. Froth for 25-30 seconds to fully dissolve the protein powder along with the peanut butter.
• Crunchy peanut butter: You can use crunchy peanut butter for a textured shake with small nut pieces. The frother will not fully dissolve the crunchy bits, which adds a nice crunch to each sip.
• Oats addition: Blend in 1 tablespoon of quick oats for a more filling shake. The frother will partially break down the oats, thickening the shake further.

Which Frother to Use

Peanut butter is thick, so it needs a frother that keeps spinning fast. The InstaCuppa Battery-Operated Milk Frother (Rs 799 in black, October 2026) runs on 2 AA batteries, which are not included. It has one speed, 4 steel whisks and a steel stand. The InstaCuppa Rechargeable Frother (Rs 799, October 2026) charges by USB-C and has 3 speeds and 4 whisks. Use its high speed for thick peanut butter shakes.