What is the average calorie count for all recipes using coarsely ground black pepper?
coarsely ground black pepper is a name of an ingredient; calculation = AVG(calories)
SELECT AVG(T3.calories) FROM Ingredient AS T1 INNER JOIN Quantity AS T2 ON T2.ingredient_id = T1.ingredient_id INNER JOIN Nutrition AS T3 ON T3.recipe_id = T2.recipe_id WHERE T1.name = 'coarsely ground black pepper'