Full-Fat Coconut Milk (Best Option)
1/4 cup per 1/4 cup heavy creamFull-fat coconut milk contains a high fat content similar to heavy cream, which emulsifies well with the oats and water, creating a smooth and creamy consistency. The natural fats help suspend starch granules, preventing separation and providing a luscious mouthfeel.
For best results, shake the can well before measuring to ensure even fat distribution. Use full-fat versions rather than light coconut milk to avoid thinning the oatmeal.
Compared to heavy cream, coconut milk imparts a mild coconut flavor and slightly less dairy richness, but it closely mimics the texture and creaminess expected in oatmeal.