01 -
Bring the vegetable or fish stock to a simmer and keep it over low heat throughout the cooking process.
02 -
Heat the butter and oil in a large, deep skillet over medium heat. Add the onion and garlic, cooking until softened, about 5 minutes.
03 -
Pour in the wine and lemon juice, allowing the mixture to begin reducing.
04 -
Add the Arborio rice. Cook and stir until the rice has absorbed the wine mixture.
05 -
Ladle one cup of the hot stock into the pan and cook, stirring continuously, until the liquid is absorbed; about 5 minutes.
06 -
Continue adding stock one cup at a time, allowing each addition to be absorbed before adding the next, until you have about two cups of stock remaining.
07 -
Whisk the tomato paste into the remaining stock, and bring it back to a simmer.
08 -
Continue the ladling process with the tomato-infused stock, allowing each addition to be fully absorbed.
09 -
Once the rice has absorbed the tomato stock, stir in the final cup of stock along with the shrimp and scallops.
10 -
Continue to cook and stir until the rice has absorbed all the liquid and the shrimp and scallops are opaque and fully cooked.
11 -
Taste and adjust seasoning with salt, pepper, and chili flakes if using.
12 -
Garnish with chopped parsley and serve hot immediately.