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How to Create a Dairy-Free Cheese Sauce with Oat Milk Slices

How to Create a Dairy-Free Cheese Sauce with Oat Milk Slices

By Shop milkadamia | Published: 2026-08-31

Category: How-to Guides

Learn to make a creamy vegan cheese sauce using Oat Milk Slices. Perfect for mac and cheese, nachos, and more—easy and delicious.

Quick Answer

Yes, you can make a rich, creamy dairy-free cheese sauce using Oat Milk Slices. Blend the slices with water, then whisk in nutritional yeast, spices, and a thickener for a smooth, plant-based sauce that's perfect for mac and cheese or drizzling over veggies.

Creamy
creamy

Craving a cheesy, comforting sauce but avoiding dairy? Oat Milk Slices make it surprisingly easy to whip up a creamy, vegan cheese sauce at home. This innovative product lets you control the consistency and freshness, so you get exactly the sauce you want without the additives often found in store-bought versions.

In this guide, we'll walk through a simple method for transforming Oat Milk Slices into a velvety cheese sauce. You'll learn the key steps, common pitfalls, and how to customize it for different dishes—from classic mac and cheese to nacho drizzles.

Why Oat Milk Slices Work for Cheese Sauce

Oat Milk Slices are a concentrated, shelf-stable form of oat milk that you rehydrate with water. This means you can make exactly the amount of milk you need, reducing waste and ensuring freshness. For a cheese sauce, this control is handy: you can create a thicker base by using less water, which helps the sauce cling to pasta or vegetables.

Unlike liquid oat milk, slices are highly portable and have a longer shelf life, making them a pantry staple for spontaneous cooking. Plus, they're precycled—using 85% less packaging and weighing 86% less than traditional plant milk—so they're an eco-friendly choice for your kitchen.

  • Use less water for a thicker, richer sauce.
  • Store leftover slices in a cool, dry place for up to a year.

Ingredients You'll Need

To make a basic dairy-free cheese sauce, you'll need Oat Milk Slices (either the 3-pack or the 160oz bulk option), water, nutritional yeast for that cheesy flavor, tapioca starch or cornstarch for thickening, and seasonings like garlic powder, onion powder, smoked paprika, and salt. Optionally, add a spoonful of mustard or a splash of lemon juice for tang.

The beauty of this recipe is its flexibility. If you prefer a spicier sauce, add a pinch of cayenne or chipotle. For a richer flavor, stir in a tablespoon of dairy-free butter or a splash of olive oil at the end.

Step-by-Step: Making the Sauce

Start by preparing your oat milk. For one cup of sauce, use one Oat Milk Slice (which makes 32oz when mixed with water) but only use the amount needed. For a single batch, you might use a quarter of a slice. Simply break off a piece and blend with the corresponding amount of water—about 1 part slice to 3 parts water for a standard milk, or less water for a creamier base.

In a saucepan, whisk together the prepared oat milk, nutritional yeast (about 3 tablespoons per cup of milk), and seasonings. Bring to a gentle simmer over medium heat, stirring constantly. In a small bowl, mix 1 tablespoon of tapioca starch with 2 tablespoons of cold water to make a slurry, then pour it into the simmering sauce. Continue whisking for 2-3 minutes until the sauce thickens and becomes glossy.

Taste and adjust seasonings. If the sauce is too thick, add a splash of milk; if too thin, simmer a bit longer. Serve immediately over pasta, vegetables, or as a dip.

  • Whisk constantly to avoid lumps.
  • For a smoother sauce, blend all ingredients in a blender before heating.

Step-by-Step Process

  1. Prepare Your Oat Milk: Break off the desired amount of Oat Milk Slice and blend with water. For a thicker sauce, use less water than the package suggests (e.g., 2 parts water instead of 3). Checkpoint: The milk should be smooth and slightly thicker than regular milk.
  2. Mix Dry Seasonings: In a bowl, combine nutritional yeast, garlic powder, onion powder, and optional spices. This ensures even distribution. Tip: Add a pinch of mustard powder for extra tang.
  3. Heat and Thicken: In a saucepan, heat the oat milk and seasonings over medium heat. Whisk in a starch slurry (1 tbsp starch + 2 tbsp cold water) and simmer until thickened. Common mistake: Adding starch directly can cause lumps; always make a slurry.
  4. Adjust and Serve: Taste and adjust salt, acid, or heat. If too thick, add more milk; if too thin, simmer longer. Serve hot over pasta, nachos, or veggies. Checkpoint: The sauce should coat the back of a spoon.

Product Facts

  • Oat Milk Slices - 3 x 32oz: This revolutionary product is easily proportionable for always fresh plant-based milk - just blend with water! This precycled product utilizes 85% less packaging, and has a shipping weight 86% less than traditional plant milk. Contains 3 retail packs. Makes 96oz of oat milk. Perfect for trying the recipe without committing to a large quantity; you can make just the amount of sauce you need.
  • Oat Milk Slices - 160oz: Contains (5) 32oz portions. Total pack creates 160oz of oat milk. Same precycled benefits with 85% less packaging. Ideal for families or meal prep; you'll have plenty of oat milk for multiple batches of cheese sauce and other recipes.

With Oat Milk Slices, a creamy dairy-free cheese sauce is just minutes away. This versatile recipe brings comfort food back to your table without dairy, and the precycled packaging makes it a sustainable choice. Experiment with seasonings to make it your own, and enjoy a plant-based sauce that rivals the original.

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