const getIngredient = async(ingredient) => {
  const ingredients = {
    banana: "Banana",
    chocolateMilk: "Chocolate Milk",
    peanutButter: "Peanut Butter"
  }

  await delay(1000) // Hypothetical 1000ms delay

  return ingredients[ingredient];
}

const makeSmoothie = async() => {
  const a = getIngredient("banana");
  const b = getIngredient("chocolateMilk");
  const smoothie = await Promise.all([a, b])

  return smoothie
}

makeSmoothie().then(log)