1 (14 ounce) can crushed pineapple or pineapple juice
1 (7 ounce) can sliced fresh pineapple
1 (2.25 ounce) package instant lemonade concentrate
2 limes, zested and juiced
1 (8 ounce) can sliced lime zest
In a blender, combine pineapple juice, pineapple, pineapple zest and lemonade concentrate. Blend until smooth. Stir in the juice from zests. Pour into a 6-quart medium saucepan, add enough water to just cover. Bring mixture to a boil, then reduce heat and simmer over low heat for 1 hour.