If you only have skim milk, but would like something richer, add a splash of half-and-half or heavy cream. For a thicker milkshake, use only ½ cup (120 milliliters) milk. For a thinner milkshake, use 1 cup (240 milliliters) of milk.

If you can’t find agave nectar, you can use maple syrup or stevia instead. If you can find it, try 1 cup (144 grams) of vegan vanilla ice cream instead of ice. You can also add 1 peeled and sliced banana alongside the ice to help thicken your milkshake. [4] X Research source For an extra thick shake, use frozen coconut cream instead of coconut milk. [5] X Research source It will be the most similar to ice cream.

Sprinkle some shaved chocolate or coconut on top. Swirl on some chocolate sauce or honey. For something simple, add a sliced strawberry onto the rim. For a sundae, swirl some whipped cream on top, and drizzle on some chocolate sauce. Top it off with a maraschino cherry and a dash of colorful sprinkles. For a wintery treat, pop in a peppermint stick. Garnish with a swirl of strawberry sauce to match the stick. You can also use chocolate sauce and a mint leaf instead.

Avoid citrus, like orange juice. It can cause the milk to curdle if it gets too warm.

For the popular cookies-n-cream milkshake, use Oreo cookies—or a similar chocolate sandwich cookie. For a wintery milkshake, use crushed peppermint candies. You can often find them pre-crushed in small jars during the holidays in arts and crafts shops and grocery stores.

For a smoother milkshake, add the fruit towards the beginning, and keep blending until it is completely mixed in. For a chunkier smoothie, add the fruit towards the end. This works best with berries, and breaks the fruit up enough to release flavor but not enough to lose texture.