Given the task definition and input, reply with output. In this task, you have to generate the named entities (NER) given its ingredients of the recipe. Named entities are the names of the items without their quantity.

2 small acorn squash, 3 slices thick bacon, cut into half inch pieces, 2 tablespoons olive oil, 1 medium onion, coarsely chopped, 6 cloves garlic, peeled and smashed and coarsely chopped, 1 1/2 pounds collard greens or kale, washed with thick stems removed, torn to medium sized pieces, 1 (14 oz.) can coconut milk (or 2 cups chicken broth, if preferred), 1 tablespoon butter, salt and pepper to taste
acorn, bacon, olive oil, onion, garlic, collard greens, coconut milk, butter, salt