Add about ¼ cup of coconut milk (we like to scoop off the thickest part at the top of the can; just make sure not to shake the can beforehand) to a large sauté pan set over medium high heat.
1 can coconut milk, divided
Add the entire can of pumpkin puree and the red curry paste and cook for about 5 minutes, stirring occasionally, until the pumpkin starts to darken and any excess moisture cooks off. This intensifies the pumpkin and red curry flavors.
2 tbsp Thai red curry paste, 1 can pumpkin puree
Add the diced chicken to the pan and stir it with pumpkin and curry paste mixture. Cook for about 3 minutes so that it can take on some of those flavors.
1 to 1.5 pound chicken thighs
Mix in the onions, bell pepper, and butternut squash, then pour in the rest of the coconut milk and the chicken broth and stir in the fish sauce.
1 can coconut milk, divided, 1/2 red bell pepper, 1/2 onion, 2 cups diced butternut squash, 1 cup chicken broth, 2 tbsp fish sauce
Bring the curry to a boil, then reduce the heat to medium low and cover the pan with a lid (if you don’t have a lid, you can use a large plate or a sheet pan). Cook for 20 minutes or until the chicken and the squash are cooked through. If you're worried about sticking on the bottom of the pan, you can occasionally remove the lid, stir the curry, and place lid back on top.
Remove the lid and stir in the juice of half a lime, all of the Thai basil, and cook for another 2 to 3 minutes to wilt the basil.
1 cup Thai basil, 1/2 lime
Taste for seasoning, adding more lime or fish sauce (or salt), if desired. Serve over rice.
Jasmine rice, for serving