What kind of problem. If it's a problem with what's already in the mix, adding more usually will not fix it. If the recipe is lacking in flavor it would depend on what you are looking for. A sweet flavor, the cinnamon, nutmeg, ginger, type, or spicy
Yes just adjust your spices accordingly.
You can substitute a bouillon cube with broth, stock, or a combination of herbs and spices to add flavor to your recipe.
You can use a combination of individual spices like turmeric, cumin, coriander, and ginger as a substitute for curry powder in your recipe. Adjust the amounts to taste.
You can use a combination of cumin, turmeric, coriander, and other spices to replace curry powder in a recipe.
The most common spices that you use in a taco recipe are, Chili powder, garlic powder, onion powder, crushed red pepper flaks, dried oregano, paprika powder, ground cumin, sea salt and black pepper.
Some alternative spices that can be used in place of cumin in a recipe include coriander, chili powder, paprika, or garam masala.
A delicious chai spices recipe that I recommend includes black tea, cinnamon, cardamom, ginger, cloves, and black pepper. Simply simmer these spices in water with milk and sweetener of your choice for a flavorful and aromatic chai tea.
Here is a recipe for Thai Red Curry. For the most authentic flavors, use fresh ingredients and freshly ground spices. http://www.templeofthai.com/recipes/red-curry.php
A recipe that uses ras el hanout might contain the most spices. This comes from a Moroccan term meaning "top of the shop" as referred to by the many spice merchants of North Africa.
Milligrams.
A good substitute for mustard in a recipe is mayonnaise, horseradish, or a combination of vinegar and spices like turmeric and paprika.
An Italian Stuffed Peppers recipe should make use of Italian herbs and spices such as garlic, thyme, and basil. The stuffing should consist of a type of cheese base with different fillers such as beans or mushrooms.