How to make Guam shrimp patties/ first time making this easy recipe

This recipe is from Guam , I like to make this in place of fried lumpia.
Ingredients:
2 cup shrimp- mash up
2 cup mix vegetables or just corn & carrots mixture
1 egg
1 tsp onion powder
1 tsp garlic powder
1 tsp black pepper
1 tsp salt
1/2 tbsp sugar
3/4 cup evaporated milk
4 tsp baking powder
1 cup flour