Homemade Crispy Potato Tots (Tater Tots)  1 cup water  2 1/4 teaspoons salt  2 1/2 pounds russet potatoes, peeled and cut into 1 1/2-inch pieces  1 1/2 tablespoons all-purpose flour  1/2 teaspoon pepper  1/8 teaspoon cayenne pepper (optional)  4 cups peanut oil or vegetable oil
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