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1
Halfway fill large bowl with cold water.
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2
Squeeze in juice from 1 lemon half.
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3
Cut off stem from 1 artichoke and rub exposed area with cut side of second lemon half.
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4
Starting from base of artichoke, bend each leaf back and snap off where it breaks naturally.
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5
Continue until light green leaves are exposed.
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6
Cut off top 2 inches of leaves above heart.
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7
Using small sharp knife, cut off all dark green areas.
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8
Cut artichokes heart into quarters.
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9
Rub all cut surfaces with lemon half.
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10
Cut out choke and pink inner leaves from each section.
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11
Cut each section lengthwise into 1/4-inch-thick slices and place in acidulated water.
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12
Repeat with remaining artichokes.
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13
(Can be prepared 3 hours ahead.
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14
Let stand in water.)
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15
Starting from base, bend each asparagus spear and snap off where it breaks naturally.
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16
Discard ends.
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17
Cut asparagus into 1-inch pieces.
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18
Set aside.
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19
Pour broth into saucepan; bring to simmer.
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20
Reduce heat to low; keep hot.
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21
Heat oil in heavy large saucepan over medium-high heat.
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22
Add onion and cook until tender, stirring frequently, about 5 minutes.
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23
Drain artichoke hearts and add to saucepan.
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24
Cook until almost tender, stirring occasionally, about 14 minutes.
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25
Add rice and half of prosciutto and stir 2 minutes.
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26
Add 3/4 of broth to saucepan and adjust heat so that liquid simmers.
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27
Cook 10 minutes, stirring frequently.
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28
Add asparagus and continue cooking until rice is tender but still slightly firm to bite and mixture is creamy, stirring frequently and adding remaining broth by 1/4 cupfuls as necessary, about 15 minutes.
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29
Add peas and green onions and stir until heated through, about 2 minutes.
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30
Set aside 2 tablespoons basil and 1 tablespoon prosciutto for garnish.
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31
Stir remaining basil and prosciutto and 2 cups Parmesan cheese into risotto.
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32
Season to taste with salt and pepper.
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33
Garnish with reserved basil and prosciutto.
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34
Serve immediately, passing additional Parmesan cheese separately.