Thai Green Curry Paste

Name: Thai Green Curry Paste
Ingredients: 1 teaspoon cumin seeds; 1 tablespoon coriander seeds; 3 long green chiles, roughly chopped; 2 cloves garlic; 30g galangal or ginger, peeled and chopped; 6 makrut lime leaves, stems removed and shredded; 2 stalks lemongrass, white part only, thinly sliced; 1 cup chopped coriander (cilantro) leaves, stems and roots (see note); 1 tablespoon peanut or vegetable oil; 1/2 teaspoon shrimp paste; 1 tablespoon grated palm sugar or brown sugar; 3 green onions (scallions), roughly chopped