def filter_fridge(recipes, fridge):
    """
    This function removes recipes that doesn't contains ingredients available in the fridge.
    :param recipes: a data frame of recipes to filter
    :param fridge: the list of ingredients from the user's fridge
    :return: data frame of recipes containing at least an ingredient from the fridge
    """
    fridge_str = "|".join(fridge)
    possible_recipes = recipes[recipes["Ingredients"].str.contains(fridge_str)]
    return recipes[recipes["RecipeID"].isin(possible_recipes["RecipeID"])]