Complex sentence: Instead of water, other liquids, such as milk or other dairy products such as; buttermilk or yoghurt, fruit juice, or eggs may be used: these contribute additional sweeteners, fats, or leavening components, as well as water.
Split into simpler sentences: Instead of water, recipes may use liquids such as milk or other dairy products (including buttermilk or yoghurt), fruit juice, or eggs. These contribute additional sweeteners, fats, or leavening components, as well as water.