Pineapple Sweet and Sour Sauce

• ½ medium pineapple, peeled, cored, and minced
• ½ medium onion, minced (about ⅓ cup)
• 1 medium carrot, grated (about ½ cup)

Combine all the ingredients except the cornstarch mixture in a medium saucepan. Bring to a simmer over medium heat and simmer until the pineapple has softened, about 5 minutes. Slowly stir in the cornstarch mixture. Simmer, stirring, until the sauce coats the back of a metal spoon, about 5 minutes. Cool to room temperature before serving. The sauce can be made a day ahead, refrigerated, and bro