Barbecue spice blends

2 teaspoons whole cumin

2 teaspoons whole coriander seeds

1 teaspoon whole ajowan seeds

1 teaspoon whole black peppercorns

teaspoon whole fenugreek seeds

teaspoon whole allspice berries

1 teaspoon ground ginger

teaspoon ground cloves

teaspoon ground nutmeg

1 teaspoon ground bird's eye chilli (1 teaspoon or more will be very hot)

Garam masala

4 teaspoons fennel seeds

2 1/2 teaspoons cinnamon quills

2 1/2 teaspoons caraway seeds

teaspoon black pepper

teaspoon cloves

teaspoon green cardamom seeds

Cajun spice mix

3 1/3 tablespoons paprika

3 1/3 tablespoons basil

2 tablespoons garlic powder

2 2/3 tablespoons onion flakes

4 teaspoons salt

4 teaspoons cracked black pepper

4 teaspoons ground fennel seeds

3 teaspoons parsley

3 teaspoons ground cinnamon quills

3 teaspoons thyme

1 or more teaspoons (depending upon how hot the blend is to be) ground white pepper

1 or more teaspoons cayenne pepper

1 chicken breast per person, to serve

butter, optional