Store guinea hens in your freezer until you're ready to use them, then thaw only as many as you need.
Thawing Tips

Guinea fowl can be roasted whole or cut into breasts, legs, etc.
How to Cut Up Poultry
Because guinea fowl are so lean, they’re frequently barded (wrapped with
bacon or pancetta) prior to roasting (
how to bard poultry) or basted during the roasting process to keep them from drying out.
For extra flavor and moisture, you can also brine guinea fowl prior to cooking them.
How to Brine Meat & Poultry Guinea hen meat pairs well with apple brandy, garlic, fruit (lemons, grapes, plums) and herbs like tarragon, sage, and thyme. One guinea fowl will generally feed two people.
Guinea Fowl RecipesMore Poultry Recipes Recommended Cooking Temp: According to USDA guidelines, poultry should be cooked to an internal temperature of 165 degrees.