Complex sentence: Bellanger grew up in Paris, France and spent much of his free afternoons baking for his family although a childhood chocolate allergy prevented him from enjoying sweets and desserts for 6 years and had temporarily discouraged his desire to bake.
Split into simpler sentences: Bellanger grew up in Paris, France and spent much of his free afternoons baking for his family. However, a childhood chocolate allergy prevented him from enjoying sweets and desserts for 6 years which had temporarily discouraged his desire to bake.