How to implement layering like is stardew but in 3d

Hello,

I am fairly new to UE and was looking for help on how i would go about with implementing a working system for my 3d farm rpg type game. Like in the post title i am seeking someone knowledgeable on how i could create a system that would allow for the player to use something like a hoe to till the solid ground and make it soil for planting.

One of my own thoughts in creating this was to create a 3d plane with the soil texture. Whenever the player hits the solid ground it would spawn the plane onto the top of the ground grid the player hit.
Concerns for me were that this wouldeat up memory with larger farms as each soil object would have their own instance.

What would be the best way to make a better system that is more otimised than my current idea? A visual description is preferable but id accept anything at this point as I have been stuck in the proverbial mud at this point.

Thank you for your reaponses and time ahead of time. Awaiting your ideas :bulb: