Pastina Soup combines tiny, tender pasta with a rich, flavorful broth made from blended veggies, good olive oil, and herbs, finished with fresh lemon and Parmesan.
Sauté veggies: Heat 1/4 cup olive oil in a large pot over medium-high heat. Add onion, carrots, and celery. Season with salt & pepper (I add 1/2 tsp each). Sauté for 8–10 minutes, stirring occasionally, until deeply golden and beginning to brown around the edges. Lower the heat if anything starts to burn. Don't rush this step; it adds so much flavor!
Add seasonings: Stir in garlic, Italian seasoning, thyme, and rosemary. Cook for 1 minute, stirring constantly, until fragrant.
Simmer: Pour in chicken broth and bring to a boil. Reduce heat to low and simmer for 25–30 minutes, or until veggies are very soft and tender.
Blend: Let soup cool slightly, then carefully transfer to a high-powered blender. Blend until completely smooth, about 2 minutes. (Work in batches if needed, never filling past the blender's maximum fill line. Hot liquids release steam and can build pressure, so follow your blender's instructions for blending hot soup to prevent splatters and burns!)
Finish broth: Return blended broth to the pot. Stir in the remaining 1 tablespoon olive oil and add lemon zest and juice to taste (I start with 1/2 tsp zest and 2 tablespoons juice). Taste and adjust seasonings as needed. Keep warm over low heat.
Cook pasta: Meanwhile, bring a separate pot of well-salted water to a boil (I use 12 cups water and 1 tablespoon salt). Add pastina and cook according to package directions, stirring occasionally to prevent sticking. Drain well. If the broth isn't ready yet, toss the pasta occasionally to keep it from clumping together.
Serve: Divide pastina evenly among 4 bowls. Add shredded chicken, if using, then ladle hot broth over top. Finish with plenty of freshly grated Parmesan, parsley, and dill. I love being generous with both herbs! Serve immediately with warm, crusty buttered bread.
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Notes
Storage: This soup is best enjoyed fresh! Store pasta & broth separately in airtight containers in the fridge for up to 4 days. This keeps the pasta from soaking up the broth and getting mushy. Reheat and combine just before serving.