Hungarian-Style Summer Squash with Dill (Tökfőzelék)

Ingredients

• 600 g summer squash or zucchini (grated)
• 1 small onion (chopped)
• 2 tbsp oil or butter
• 1 tbsp flour
• 1 tsp Hungarian paprika
• 1 tbsp fresh dill (chopped) or 1 tsp dried dill
• 1 tsp salt
• ½ tsp black pepper
• 1 tbsp vinegar
• 1 tsp sugar
• 200 ml sour cream
• 200–300 ml water or broth