Est. 1941. Spice Islands Minced Onion offer the intense flavor of fresh onions in a convenient, ready-to-use version. Use to boost the flavor of your favorite dips, pasta sauces, soups, and casseroles. Sprinkle Minced Onions over breads, rolls, pizza dough, and biscuits, before baking 2 tablespoons Minced Onions = 1/3 cup of fresh onion. www.spiceislands.com. Spice Islands Minced Onions offer the intense flavor of fresh onions in a convenient, ready-to-use version. Use to boost the flavor of your favorite dips, pasta sauces, soups, and casseroles. Sprinkle Minced Onions over breads, rolls, pizza dough, and biscuits before baking. 2 tablespoons Minced Onions = 1/3 cup fresh onion.