A tangy tomato–pepper–jeera rasam with curry leaves; lighter than sambar, no dal body (or a splash of dal water on request). Blue default: measured oil, low-sodium, no ghee.

Nutrition (est., 220 ml): ~80–120 kcal • ~10–14 g carbs • ~2–3 g protein • ~2–3 g fat
Diabetic/Blue note: Eat Often (Blue)—great as a soup; if with rice, cap at ½-cup.
Weight-loss tips: Ask extra broth, extra pepper, no ghee; add salad/veg for volume.
Local Names: Tamil Thakkali Rasam; Telugu Tomato Charu; Kannada Tomato Saaru; Hindi Tamatar Rasam.