- Line a baking sheet with aluminum foil. Then place oven-safe cooling racks on top. Put your marinated beef jerky on top of the cooling racks, ensure that pieces aren't touching or overlapping. 
- Pre-heat your oven to 350F.  
- Once pre-heated, put your beef jerky in the oven for 10 minutes. 
- While your jerky is being heat treated, set your dehydrator to 130F.