30-Minute Light Thai Red Curry Soup with Shrimp
A vibrant Thai red curry soup that balances spice, creaminess, and fresh aromatics without overwhelming heaviness. Built on a fragrant base of ginger, garlic, lemongrass, and scallions, the soup gains depth from red curry paste and light coconut milk, then brightens with tender shrimp and fresh cilantro. This version keeps calories modest by using light coconut milk and vegetable stock rather than full-fat coconut cream, making it accessible for weeknight dinners or meal prep. The soup comes together in under 30 minutes, perfect for quick lunches or when you want restaurant-quality flavor at home. Serve alongside jasmine rice to soak up the fragrant broth. Best for those who enjoy moderate heat and authentic Thai flavors without dairy or heavy cream bases.
Ingredients
- 1 inch fresh ginger, peeled
- 2 clove garlic, minced
- 1 bunch scallion, trimmed
- 1 stalk lemongrass, prepared
- 1 tablespoon canola oil
- 1 red bell pepper, seeded and diced
- 2 carrot, peeled and diced
- 2 tablespoon red curry paste
- 1 can light coconut milk
- ½ cup vegetable stock
- ½ pound shrimp, peeled and deveinedwhite fish (cod, halibut)0.5 poundseafoodshellfish-freeadds fish
fish cooks faster, reduces time by 1-2 minutes
Full guide → - fresh cilantro, chopped(optional)
- white rice(optional)
Instructions
- 1
Prepare lemongrass by removing discolored outer layers and smashing with your knife. Mince approximately 1 inch of the stalk and reserve the remainder.
- 2
Heat canola oil in a saucepan over medium heat. Add garlic, ginger, scallion, and lemongrass stalk and cook until fragrant, about 1-2 minutes.
- 3
Add carrot and red bell pepper and cook for 2 minutes.
- 4
Stir in red curry paste and cook for 1-2 minutes, stirring frequently to prevent burning.
- 5
Pour in light coconut milk and vegetable stock, stirring to combine. Add the reserved lemongrass stalk and bring to a simmer for 5 minutes.
- 6
Add shrimp and cook until firm and pink. Remove lemongrass stalk.
- 7
Garnish with scallion greens and fresh cilantro. Serve with white rice on the side.
Tips
Smash the lemongrass stalk firmly with the flat of your knife to release oils and aromatics. This step maximizes flavor without adding ingredients and is essential for authentic Thai curry depth.
Cook the curry paste for 1-2 minutes after adding to bloom the spices and mellow the raw paste intensity. Stir constantly to prevent burning on the pan bottom.
Use light coconut milk in place of full-fat for a cleaner, less heavy soup. Vegetable stock stretches the broth while keeping the dish balanced and suitable for lighter meals.
Good to Know
Refrigerate in an airtight container for up to 3 days. Reheat gently on the stovetop over medium-low heat, stirring occasionally. Do not freeze due to shrimp texture degradation and coconut milk separation.
Prepare aromatics (ginger, garlic, lemongrass, scallion) and vegetables (carrot, bell pepper) up to 1 day ahead in separate containers. Make the base through the curry paste stage, cool, and refrigerate; add shrimp only when reheating to serve.
Serve hot in bowls with steamed white rice, jasmine rice, or rice noodles on the side. Accompany with lime wedges, extra cilantro, sliced red chilies, and fish sauce for heat and acid adjustments.
Common Mistakes
Skip blooming the curry paste to avoid flat, one-dimensional curry flavor that tastes raw.
Overcook shrimp to avoid rubbery texture; cook only until pink and firm, 2-3 minutes.
Use full-fat coconut milk without tasting as you go to avoid an overly rich, heavy soup.
Substitutions
Dairy-Free Swaps
General Alternatives
fish cooks faster, reduces time by 1-2 minutes
Full guide →FAQ
Can I make this soup ahead and freeze it?
Freeze the soup base without shrimp up to 1 month. Thaw overnight and reheat gently, then add fresh shrimp cooked just before serving. Freezing cooked shrimp damages texture, and coconut milk separates. This method preserves flavor and texture.
What if I don't have lemongrass?
Substitute 2 teaspoons dried lemongrass or zest and juice of 2 limes for brightness and citrus notes. Add lime at the end after shrimp are cooked. Flavor will shift from floral to more acidic, but the soup remains balanced and aromatic.
How long does this soup keep in the refrigerator?
Store the soup base up to 3 days refrigerated. Cooked shrimp keeps best only 1-2 days before developing a fishy smell. Make soup base ahead and cook fresh shrimp when serving for best quality and food safety.