The phrase "frozen artichokes" refers to artichokes that have been harvested, prepared, and then frozen as a way to preserve them. They are not fresh but still retain the taste and texture, making them convenient for cooking. Full definition
I have some thawed frozen artichoke hearts in my fridge right now that look to be headed to the trash can, so boy, do I relate. (lottieanddoof.com)
1 c frozen chopped spinach or fresh spinach 1 1/2 c thawed frozen artichoke hearts 1/2 c Vegenaise 1/2 c organic sour cream 1 c freshly grated Parmesan (raw, organic) 1 c grated pepper jack cheese (raw, organic) 1/4 tsp garlic powder 1/2 tsp red pepper flakes (healingcuisinebyelise.com)
We do not recommend using frozen artichoke hearts for this soup, as frozen hearts are treated in an acidic solution, changing the flavor of the soup. (simplyrecipes.com)