Step 1 Heat the butter in a small pan over medium heat. Add the ginger, garlic, chile, cumin, coriander, pepper, salt to taste and garam masala. Cook, stirring, until fragrant, 3 minutes. Add the tamarind paste, sugar, almond paste, coconut milk and stock. Simmer 10 minutes. Place in a blender; blend until smooth. Strain, then adjust the salt.