Half-and-Half with Butter (Best Option)
3/4 cup half-and-half + 1/4 cup melted butter per 1 cup heavy creamHalf-and-half combined with melted butter replicates the fat percentage of heavy cream (~36-40%), which is essential for achieving the creamy texture and caramelization in roasted vegetables. The butter adds the necessary fat that half-and-half alone lacks.
To ensure proper integration, melt the butter and whisk it thoroughly into the half-and-half before adding it to the vegetables. This mixture should be added towards the end of roasting or used as a finishing drizzle to prevent separation.
Compared to heavy cream, this substitute maintains a very similar texture and flavor profile, preserving the richness and enhancing the roasted vegetables without noticeable differences.