1. Combine masa harina, lard, and salt in the bowl of a food processor and pulse until mixture is the texture of coarse cornmeal. Transfer to a large bowl. Add 2 cups corn kernels to processor bowl, puree, and transfer to bowl with masa mixture. Stir in remaining corn kernels and chicken broth. Knead mixture with hands until a dough forms. Cover dough with a damp towel until ready to use.