To prepare a tangy oven baked chicken tenders without breading recipe, combine the following ingredients: 2 tablespoons butter, 1 teaspoon kosher salt, 1/4 teaspoon ground black pepper, 1/2 teaspoon cayenne pepper and 2 teaspoons thyme. Heat the butter over medium-high heat until melted. Add the flour and stir to combine. Gradually add the milk, stirring until the mixture is completely absorbed. Remove the pan from the heat and whisk in the sour cream. Season with salt and pepper to taste. Bake for 20 to 25 minutes or until chicken is cooked through and no longer pink inside. Serve warm.