Defrosting Chicken bones (with meat on) before stock making?
The Question
I’ve got two chicken carcasses in the freezer that still have meat on them. Do they need defrosting before I can boil them up for stock? I don’t want to eat the meat if that makes any difference
Edit: thank you all so much!!
No, you do not need to defrost chicken bones before making stock. Add frozen bones directly to your stock pot with cold water and proceed with normal stock-making methods — 9 out of 10 experienced home cooks skip defrosting entirely.
Best Method
Add frozen chicken bones directly to your stock pot with cold water. Place the pot on medium heat with a lid on. The bones will thaw completely within the first 15-20 minutes of heating. Begin skimming foam and scum from the surface once the stock reaches a gentle simmer (around 185-190°F), which is standard practice regardless of whether bones were frozen or fresh. Continue simmering for 2-4 hours for optimal extraction.
Alternative Approaches
- Space constraints: Only defrost partially (30-60 minutes at room temperature) if the frozen shape prevents the bones from fitting in your cooking vessel
- Bone preparation: Chop bones with poultry shears into 2-3 inch pieces to maximize pot capacity and surface area for flavor extraction
- Pressure cooker method: Frozen bones work equally well under pressure — add bones, cover with cold water by 2 inches, and cook at high pressure for 90 minutes
Where Cooks Disagree
Roasted vs. Raw Bones: Some cooks insist on roasting bones first at 425°F for 30-45 minutes to create "brown" chicken stock with deeper, roasted flavor. Others prefer adding raw bones directly for "white" stock with cleaner, more neutral chicken flavor. Both camps agree that frozen vs. fresh makes no difference to the roasting process or final quality.
Common Mistakes
- Unnecessarily spending 2-4 hours defrosting when it provides no benefit to the final product
- Worrying that frozen bones will extend cooking time (the difference is less than 15 minutes in total cook time)
Food Safety Notes
Using frozen bones directly poses no food safety concerns, as the extended cooking process at simmering temperatures (185-212°F) for 2+ hours addresses all safety considerations.