Heat the olive oil, garlic, pine nuts, crushed red pepper, and artichokes in a medium skillet over medium low heat. Cook, stirring often until the garlic is caramelized and the artichokes begin to fry and crisp on the edges, about 10 minutes. Meanwhile, bring a large pot of salted water to a boil. Boil the pasta until al dente, reserve 1 cup of the pasta cooking water and then stir in the spinach, cook 30 seconds and then drain. Add the pasta + spinach right back to the hot pot along with the mascarpone, brie, lemon zest + juice, and about 1/4 cup of the reserved pasta cooking water. Toss until creamy and combined. Add the basil and artichokes + oil, stirring to combine. Thin the sauce as desired with more pasta cooking water. Season to taste with salt and pepper. Top with jalapeños. EAT!: As the olive oil warms, inhale the gentle fruity scent rising from the pan, then add the minced garlic so it begins to release sweet, savory perfume. The pine nuts will start to sizzle and toast, turning a delicate golden, and their aroma shifts from bland to rich and nutty, which signals they are nearly done. When you add the marinated artichoke hearts , they will hiss softly and begin to release their tangy marinade essence into the oil, which creates an olive and herb infused base. Cook over medium low heat so the garlic softens without browning too fast, and stir frequently to keep the pine nuts from scorching. Why this matters: a gentle cook extracts flavor without bitterness, and the toasted nuts provide a toasty counterpoint to the creamy sauce. Troubleshooting: if your garlic starts to brown rapidly, lower the heat right away and remove the pan briefly from the burner to cool; burnt garlic will impart a bitter taste that is hard to correct.
Cook, stirring often until the garlic is caramelized and the artichokes begin to fry and crisp on the edges, about 10 minutes: You will notice the garlic transform from pungent to sweet, the color turning pale golden and the kitchen filling with a rich, almost candy like scent. The edges of the artichoke hearts will darken slightly and develop small crisped patches that add texture. Stirring often encourages even browning and prevents any one piece from sitting against the hot spot and burning. This step builds depth of flavor through gentle caramelization, which marries beautifully with the lemon and cheeses later. Common mistake: letting the heat creep too high will char the garlic, so keep a steady medium low and move the pan if you see fast browning.
Meanwhile, bring a large pot of salted water to a boil: The water should smell faintly mineral when it is properly salted, which seasons the penne pasta from the inside out. Use a large pot so the penne pasta has room to move and cook evenly, and wait until it reaches a full rolling boil before adding the pasta. Why this is important: well salted water and ample space ensure the pasta cooks to al dente with the best texture, not gluey or uneven. Troubleshooting: if the pot takes a long time to boil, cover it for a few minutes to speed things up, then uncover before adding the pasta to avoid boil over.
Boil the pasta until al dente, reserve 1 cup of the pasta cooking water and then stir in the spinach, cook 30 seconds and then drain: As the penne pasta cooks, watch for the first sign of tenderness by tasting a piece; it should be firm to the bite but not chalky inside. Before draining, ladle out 1 cup of starchy pasta water, which will be your secret to a glossy, silky sauce. Stir the spinach into the hot pasta in the pot for about 30 seconds, until it collapses and turns a lively deep green, releasing a faint vegetal scent. This brief wilt preserves texture and color. Then drain the pasta and spinach together; timing matters because overcooked greens become mushy and lose their fresh note. Troubleshooting: if you forget to reserve pasta water, your sauce may be too thick; keep a little extra hot water handy instead of draining it all away.
Add the pasta + spinach right back to the hot pot along with the mascarpone, brie, lemon zest + juice, and about 1/4 cup of the reserved pasta cooking water: The heat from the pot and the small amount of reserved water will coax the mascarpone cheese and cubed brie into a molten, glossy emulsion. You will see the cheeses soften and pool, the sauce becoming creamy and clingy as you stir. The lemon zest disperses aromatic oils, and the juice adds acidity that brightens the dairy. The sound is a gentle, wet stirring rather than vigorous bubbling, and the scent moves from toasty to luxuriously creamy with a citrus lift. This union is what creates the sauce that hugs each piece of penne pasta . Troubleshooting: if the sauce seems grainy or separated, add more hot pasta water slowly and whisk to bring it back together; do not raise the heat too high or the cheese can clump.
Toss until creamy and combined: As you toss the pasta, notice how the sauce forms a thin, silky coating on each tube, gleaming under the light. The texture should be velvety, not greasy, and the mouthfeel is a smooth union of cheese and starchy water. Tossing rather than stirring aggressively helps maintain the sauce structure and prevents the cheese from clinging in lumps. Why this matters: even coating ensures every bite has a balance of cheese, lemon, and spinach, and the pasta water acts as an emulsifier to maintain creaminess. Troubleshooting: if the sauce sticks to the pan or seems too stiff, a tablespoon of reserved pasta water at a time will loosen it without thinning the flavor.
Add the basil and artichokes + oil, stirring to combine: Folding in the chopped fresh basil adds an herbal perfume that lifts the entire pan, while returning the crisped artichoke hearts and their flavored oil introduces pockets of tang and texture. Stir gently so the basil wilts just enough to release aroma, and the artichokes distribute evenly throughout the pasta. You may spot shimmering droplets of oil carrying herb and marinade notes; those make the dish feel rounded and savory. Troubleshooting: if basil browns too much, add it off heat to preserve its bright flavor.
Thin the sauce as desired with more pasta cooking water: If the sauce is thicker than you like, add reserved pasta water in small increments until it reaches a glossy, loose creaminess that still clings to the penne pasta . The starchy water gives body without diluting flavor, and it helps the sauce glide across the pasta. Sensory cue: you will see the sauce become more translucent and velvety as you add liquid. Troubleshooting: adding cold water will lower the temperature and can cause the cheeses to firm up, so use hot reserved water.
Season to taste with salt and pepper: Taste warmed bites to determine if additional kosher salt or pepper is needed. Salt will amplify the flavors of the artichoke hearts and brie , while pepper gives a gentle bite. Season in small increments, tasting between additions, because the marinated ingredients and cheese already carry salt. Troubleshooting: oversalting is hard to fix; add an acid like a little more lemon juice or a spoonful of unsalted dairy to balance if needed.
Top with jalapeños: The thin slices of jalapeno add fresh heat and a crisp texture when placed on top just before serving. Their vegetal snap and faint peppery aroma contrast with the creamy sauce, creating a lively finish. If you prefer less heat, remove seeds and membranes, or leave the jalapeno off entirely. Troubleshooting: if the jalapeno overwhelms, serve with a cooling spoonful of extra mascarpone cheese on the side to mellow the spice.
EAT: Sit down while the pasta is hot so you can enjoy the full sensory experience, from the steam carrying lemon and basil aromas to the contrast of creamy sauce and crisped artichokes. Take note of balance and texture, and savor how the bright lemon keeps the dish feeling lively. Troubleshooting: if leftovers seem dry the next day, gently reheat with a splash of hot water and a small knob of mascarpone cheese to restore creaminess.