Best Milk for Frappes and Milkshakes: A Simple Guide

A great frappe or milkshake lives and dies on two things: your base and your milk. Get the milk right and you get that thick, velvety texture and clean flavour that makes a blended drink taste like it came from a café. Get it wrong and you end up with something thin, icy or flat. Here's how the common milks stack up, and how to pick the best one for your blend.

What milk actually does in a frappe

Milk carries flavour, adds body and helps everything blend into a smooth, drinkable consistency. Fat is the key player. It coats your tongue, softens sweetness and gives that rich, creamy mouthfeel. Protein helps hold air and structure, while the natural sugars in milk add a gentle background sweetness. When you're building a frappe over ice, you want a milk that stays creamy rather than watering the drink down.

Dairy milks compared

Full cream (whole) milk

For most people, full cream milk is the best all-rounder. Its higher fat content gives frappes and milkshakes that thick, indulgent texture and helps them hold up against ice without tasting watery. If you want a classic café-style blend, start here.

Skim and light milk

Skim milk blends fine and keeps the kilojoules down, but you lose some of the creaminess. The result is lighter and a touch icier. A good workaround is to lean on a quality powder base for body, so the drink still feels substantial even with a leaner milk.

Full cream vs a splash of cream

If you love a really thick shake, adding a small splash of pouring cream to full cream milk pushes the texture towards dessert territory. Keep it to a splash so the drink stays balanced rather than heavy.

Plant-based milks compared

Plant milks have come a long way and many blend beautifully. The trick is choosing the right one and, where possible, a barista edition, which is formulated for better texture and stability.

• Oat milk is the standout for blended drinks. It's naturally creamy, mildly sweet and gives a smooth, full body that's very close to dairy.
• Soy milk is high in protein and blends thick and creamy, with a slightly nutty flavour that suits chocolate and coffee frappes.
• Almond milk is lighter and can taste a little thin on its own, so pair it with a solid base for extra body.
• Coconut milk (the drinking kind) adds a lush, tropical richness that works well in vanilla and fruit-style blends.

Matching your milk to your base

Your powder base does a lot of the heavy lifting, so it pays to match the two. A creamy vanilla base is forgiving and works with almost any milk, which makes our Vanilla Milkshake & Frappe Base a reliable starting point. If you're after a bolder, coffee-forward drink, our Espresso Milkshake & Frappe Base pairs especially well with full cream, oat or soy milk.

A simple frappe method

Once you've chosen your milk, the method is quick:

• Add roughly one cup of cold milk to the blender.
• Spoon in your powder base to taste (follow the pack for a guide).
• Add a generous scoop of ice.
• Blend until smooth and thick, then taste and adjust.

Want to customise the flavour? A pump of syrup lifts a plain vanilla frappe into caramel, hazelnut or your favourite blend. You'll find plenty of options in our flavoured syrups range.

Quick tips for the creamiest blend

• Start with cold milk straight from the fridge for a thicker result.
• Use enough ice for texture, but not so much that it dilutes the flavour.
• Blend a little longer for a smoother, more even finish.
• Taste before serving and tweak your base or sweetness to suit.

The verdict

If you want one milk to reach for, full cream dairy or a good barista oat milk will give you the creamiest, most balanced frappes and shakes. Lighter milks still work well when paired with a quality base. Finish the drink properly by serving it in a reusable cold cup from our drinkware range, and you've got a café-worthy blend made right at home.