01 -
Ensure the oven rack is in the middle position and place another rack in the lower third of the oven. Preheat oven to 375°F (190°C).
02 -
Heat 2 tablespoons of olive oil in a medium Dutch oven over medium heat until shimmering. Add the onion and a pinch of salt. Cook, stirring occasionally, until softened and translucent, about 5 minutes. Add minced garlic, cooking until fragrant, about 1 to 2 minutes.
03 -
Add 4 cups of broth (or 3 cups broth and 1 cup water), cover, and bring to a boil over medium-high heat. Remove from heat, stir in the rice, cover the pot, and bake in the oven for 55 minutes.
04 -
Snap off the tough ends of the asparagus and discard them, then slice the spears diagonally into 1 ½-inch long pieces. Toss on a large rimmed baking sheet with 1 tablespoon olive oil, salt, and pepper. Set aside.
05 -
After 55 minutes of baking, move the asparagus to the lower oven rack. Remove the pot from the oven, add the peas, cover the pot again, and return it to the oven for another 10 minutes. Leave the asparagus in the oven for an additional 5 to 10 minutes until tender and roasted.
06 -
Remove the pot from the oven and stir in the remaining cup of broth, Parmesan, wine (if using), butter, a generous amount of black pepper, a pinch of red pepper flakes, and the lemon zest and juice. Stir vigorously for 2 to 3 minutes until the rice is thick and creamy. Mix in the roasted asparagus.
07 -
Season the risotto to taste with salt and pepper. Divide into bowls and garnish with freshly chopped parsley.