1Pour milk and heavy cream into a saucepan. Add 15g of salt. Heat gently over medium-low heat, stirring frequently, until it reaches 190°F/88C (about 5-8 minutes).
2Pour milk and heavy cream into a saucepan. Add 15g of salt. Heat gently over medium-low heat, stirring frequently, until it reaches 190°F/88C (about 5-8 minutes).
3Pour milk and heavy cream into a saucepan. Add 15g of salt. Heat gently over medium-low heat, stirring frequently, until it reaches 190°F/88C (about 5-8 minutes).
4Remove from heat and swirl in vinegar. Carefully and gently stir it in then let sit for 15 minutes until curds form.
5Remove from heat and swirl in vinegar. Carefully and gently stir it in then let sit for 15 minutes until curds form.
6Remove from heat and swirl in vinegar. Carefully and gently stir it in then let sit for 15 minutes until curds form.
7Line a strainer with cheesecloth and gently scoop the curds into the cloth. Let the cheese drain for 20-30 minutes.
8Line a strainer with cheesecloth and gently scoop the curds into the cloth. Let the cheese drain for 20-30 minutes.
9Line a strainer with cheesecloth and gently scoop the curds into the cloth. Let the cheese drain for 20-30 minutes.
10Bring a pot of salted water to a boil. Add the jumbo shells and cook for about 6 minutes, until almost al dente.
11Bring a pot of salted water to a boil. Add the jumbo shells and cook for about 6 minutes, until almost al dente.
12Bring a pot of salted water to a boil. Add the jumbo shells and cook for about 6 minutes, until almost al dente.
13Drain and toss gently with olive oil to prevent sticking. Set aside.
14Drain and toss gently with olive oil to prevent sticking. Set aside.
15Drain and toss gently with olive oil to prevent sticking. Set aside.
16Stack prosciutto, slice it into strips, then finely mince into small pieces.
17Stack prosciutto, slice it into strips, then finely mince into small pieces.
18Stack prosciutto, slice it into strips, then finely mince into small pieces.
19Heat a Dutch oven over medium heat with a drizzle of olive oil. Add the minced prosciutto and fry for 90 seconds, being careful not to crisp it.
20Heat a Dutch oven over medium heat with a drizzle of olive oil. Add the minced prosciutto and fry for 90 seconds, being careful not to crisp it.
21Heat a Dutch oven over medium heat with a drizzle of olive oil. Add the minced prosciutto and fry for 90 seconds, being careful not to crisp it.
22Add 15g/3 cloves minced garlic and cook for another minute. Stir in spinach and cook until wilted, about 2 minutes.
23Add 15g/3 cloves minced garlic and cook for another minute. Stir in spinach and cook until wilted, about 2 minutes.
24Add 15g/3 cloves minced garlic and cook for another minute. Stir in spinach and cook until wilted, about 2 minutes.
25Transfer to a cutting board, chop finely, and squeeze out any excess moisture with a towel.
26Transfer to a cutting board, chop finely, and squeeze out any excess moisture with a towel.
27Transfer to a cutting board, chop finely, and squeeze out any excess moisture with a towel.
28Wipe out the Dutch oven. Add a drizzle of olive oil, then grated onion and 15g/3 cloves of minced garlic.
29Wipe out the Dutch oven. Add a drizzle of olive oil, then grated onion and 15g/3 cloves of minced garlic.
30Wipe out the Dutch oven. Add a drizzle of olive oil, then grated onion and 15g/3 cloves of minced garlic.
31Add a pinch of salt and sweat the mixture for 5 minutes.
32Add a pinch of salt and sweat the mixture for 5 minutes.
33Add a pinch of salt and sweat the mixture for 5 minutes.
34Stir in chopped Calabrian chiles (or chili flakes) and fry for 2-3 minutes.
35Stir in chopped Calabrian chiles (or chili flakes) and fry for 2-3 minutes.
36Stir in chopped Calabrian chiles (or chili flakes) and fry for 2-3 minutes.
37Add tomato paste and cook for 1 minute until it deepens in color.
38Add tomato paste and cook for 1 minute until it deepens in color.
39Add tomato paste and cook for 1 minute until it deepens in color.
40Pour in the can of crushed tomatoes, 7g salt, sugar, and a splash of water.
41Pour in the can of crushed tomatoes, 7g salt, sugar, and a splash of water.
42Pour in the can of crushed tomatoes, 7g salt, sugar, and a splash of water.
43Simmer for 5 minutes, then stir in chiffonade basil.
44Simmer for 5 minutes, then stir in chiffonade basil.
45Simmer for 5 minutes, then stir in chiffonade basil.
46Taste and adjust seasoning.
47Taste and adjust seasoning.
48Taste and adjust seasoning.
49In a medium bowl, combine the drained homemade ricotta, the prosciutto-spinach mixture, heavy cream, shredded mozzarella, 75g of grated parmesan, about 20 cranks of black pepper, and 1 large egg.
50In a medium bowl, combine the drained homemade ricotta, the prosciutto-spinach mixture, heavy cream, shredded mozzarella, 75g of grated parmesan, about 20 cranks of black pepper, and 1 large egg.
51In a medium bowl, combine the drained homemade ricotta, the prosciutto-spinach mixture, heavy cream, shredded mozzarella, 75g of grated parmesan, about 20 cranks of black pepper, and 1 large egg.
52Stir until well combined.
53Stir until well combined.
54Stir until well combined.
55Preheat the oven to 425°F/220C.
56Preheat the oven to 425°F/220C.
57Preheat the oven to 425°F/220C.
58Fill each shell with about 2-3 tablespoons of the ricotta mixture, tucking the cheese inside using your fingers or a spoon.
59Fill each shell with about 2-3 tablespoons of the ricotta mixture, tucking the cheese inside using your fingers or a spoon.
60Fill each shell with about 2-3 tablespoons of the ricotta mixture, tucking the cheese inside using your fingers or a spoon.
61Nestle the stuffed shells in the sauce (I just do this in my dutch oven, but you can transfer to a baking dish if needed), arranging 18-22 shells in a crown pattern, making sure they are at least halfway submerged.
62Nestle the stuffed shells in the sauce (I just do this in my dutch oven, but you can transfer to a baking dish if needed), arranging 18-22 shells in a crown pattern, making sure they are at least halfway submerged.
63Nestle the stuffed shells in the sauce (I just do this in my dutch oven, but you can transfer to a baking dish if needed), arranging 18-22 shells in a crown pattern, making sure they are at least halfway submerged.
64Sprinkle a generous amount of grated parmesan over the shells.
65Sprinkle a generous amount of grated parmesan over the shells.
66Sprinkle a generous amount of grated parmesan over the shells.
67Cover the dish with a lid and bake for 15 minutes.
68Cover the dish with a lid and bake for 15 minutes.
69Cover the dish with a lid and bake for 15 minutes.
70Remove the lid and bake uncovered for another 15 minutes to allow the cheese to brown and the sauce to thicken slightly.
71Remove the lid and bake uncovered for another 15 minutes to allow the cheese to brown and the sauce to thicken slightly.
72Remove the lid and bake uncovered for another 15 minutes to allow the cheese to brown and the sauce to thicken slightly.
73Top with additional grated parmesan.
74Top with additional grated parmesan.
75Top with additional grated parmesan.
76Scoop out 3-4 shells per serving, top with more grated parmesan, and drizzle with a bit of spicy finishing olive oil.
77Scoop out 3-4 shells per serving, top with more grated parmesan, and drizzle with a bit of spicy finishing olive oil.
78Scoop out 3-4 shells per serving, top with more grated parmesan, and drizzle with a bit of spicy finishing olive oil.