Homemade Mass Gainer Shake: 5 Cheap Recipes

By Pete Sullivan · Published July 18, 2026

• 1010Calories/serving
• 5 minTotal time
• 1Servings
• 53gProtein
• 115gCarbs
• 38gFat

A homemade mass gainer needs five ingredients. It costs about half what the store-bought jug charges per calorie, and it skips the mystery blends. The base recipe below hits 1,010 calories with 53 grams of protein in five minutes. The four variations cover dairy-free, budget, chocolate, and a 1,200-calorie option.

The cost math the supplement aisle skips

Price per 1,000 calories is the only fair way to compare gainers. It is not close. Grocery math as of mid-2026, and your store will vary a little:

Option	Approx. cost per 1,000 calories
This homemade shake	$1.30 to $1.60
Budget store-bought gainer	$2.10 to $2.80
Premium store-bought gainer	$3.00 to $4.50+

A shake a day for a month runs roughly $40 to $48 homemade, against $65 to $135 store-bought. The homemade version also brings fiber, potassium and real food instead of maltodextrin filler. Still weighing powder options? Our mass gainer vs whey protein comparison breaks down when a commercial product earns its price.

The four variations

Dairy-free (about 890 calories): swap milk for oat milk and whey for a plant protein scoop; everything else stays. Slightly lower protein, still excellent.

Budget (about 850 calories): skip the whey entirely, double the oats, add a second tablespoon of honey. Cheapest 850 calories you will ever drink; pair it with a protein-solid dinner.

Chocolate peanut (about 1,080 calories): chocolate whey plus 1 tablespoon of cocoa powder and swap honey for maple syrup. Tastes like a milkshake, works like a meal.

The 1,200 (for big targets): base recipe plus 1 extra tablespoon of peanut butter and 1 tablespoon of olive oil. You will not taste the oil, and it adds nearly 200 calories. Best split across two sittings if fullness fights back.

Three rules that make shakes actually work

First, shakes add, they do not replace. Drink them alongside your normal eating, or you have spent five minutes blending a fancy lunch. Second, anchor it to a fixed slot: post-workout, 9 pm, mid-morning. A fixed slot means it happens daily without willpower. Third, count it in your math. 1,010 calories is a third of many people’s entire daily surplus target, which is why this one habit moves the scale when nothing else has.

Ingredients

• 1 cup whole milk
• 1/2 cup rolled oats
• 1 large ripe banana
• 2 tablespoons natural peanut butter
• 1 scoop (about 30g) vanilla whey protein
• 1 tablespoon honey
• 4 to 5 ice cubes

Instructions

1. Add the milk first, then the oats, and let them sit for two minutes to soften (this fixes the gritty texture most homemade gainers have).
2. Add the banana, peanut butter, whey, and honey.
3. Blend on high for 45 to 60 seconds until completely smooth, then add ice and pulse to your preferred thickness.
4. Drink immediately, ideally with or after a meal rather than before one so it adds calories instead of replacing them.

Frequently asked questions

Can I make a mass gainer shake without protein powder?

Yes. Swap the whey for 3/4 cup of Greek yogurt: you lose about 10 grams of protein and the shake lands near 950 calories. Milk, oats, peanut butter, and banana carry most of the calories either way.

When should I drink a weight gain shake?

Whenever it adds to your day instead of replacing food: with breakfast, after training, or as an evening addition. The one mistake is drinking it right before a meal, where it kills your appetite for the food you were already going to eat.

Can I drink two of these a day?

If your calorie target calls for it, yes, though most people do better with one shake plus denser meals. Get your actual daily target from our calorie surplus calculator before deciding.

Sources

1. USDA FoodData Central: Nutrition figures for milk, oats, banana, peanut butter, honey, and whey used in the calorie and macro calculations.
2. Morton RW et al., Systematic review of protein supplementation during resistance training, Br J Sports Med (2018): Daily protein targets that these shakes help reach.