Pakistani Okra Stir Fry

Name: Pakistani Okra Stir-Fry
Ingredients: ¾ cups vegetable oil; 1 lb. okra, stemmed and cut into 1-in. lengths (5 cups); 3 garlic cloves, roughly chopped; 1 large white onion, thinly sliced; 1 tbsp. ginger paste; 1 tsp. Indian-style red chile powder, or cayenne pepper; 1 tsp. garlic paste; 1 tsp. ground turmeric; 1 tsp. kosher salt, plus more to taste; 2 medium plum tomatoes, cut into wedges; Steamed rice or roti, for serving