addIngredient($event) {
      const payload = {
        ...this.recipe_ingredient,
        quantity: +this.recipe_ingredient.quantity,
        recipe_id: this.recipe.id
      };
      this.$store.dispatch('recipes/insertRecipeIngredient', payload);
      this.recipe_ingredient = {
        ingredient_id: '',
        quantity: 0,
        comments: ''
      };
    }
  }