Roasted red peppers work well as a sub. Personal experience!!
Some good pimento cheese recipe can be found at the Wisegreek website and the Shockingly Delicious website. Both website contain a lot of pimento cheese recipe for home use.
You can use parsley as a substitute for cilantro in this recipe.
You can use a combination of cinnamon and nutmeg as a substitute for cardamom in your recipe.
You can substitute oregano or thyme for marjoram in your recipe.
You can substitute oregano or thyme for marjoram in this recipe.
You can use butter or margarine as a substitute for Crisco shortening in this recipe.
You can use lemon juice or tamarind paste as a substitute for amchoor in your recipe.
You can use baking powder as a substitute for bicarbonate of soda in the recipe.
You can use unsalted butter as a substitute for salted butter in the recipe.
You can use buttermilk or yogurt as a substitute for sour milk in the recipe.
You can use beef chuck or brisket as a substitute for beef shank in this recipe.
You can use fish or seafood broth as a substitute for clam juice in your recipe.