Indian spiced yogurt marinade

Ingredients

• about 150 ml plain yogurt
• 1 lime (juice)
• 1 onion
• 3 garlic cloves
• 1 teaspoon ground cumin
• 1 teaspoon ground coriander
• 1 teaspoon mustard seeds
• 1 teaspoon paprika powder
• 1/2 teaspoon cayenne pepper
• 1/2 teaspoon salt
• 1 teaspoon turmeric
• 1 teaspoon dried oregano
• 1 teaspoon ground ginger (or use grated ginger root)