Heat 2 to 3 tablespoons extra virgin olive oil, over medium heat.
Lightly brown the chicken tenders, 1 to 2 minutes per side. Remove and set aside.
Saute the onions, carrots and white parts of the scallions until fragrant. About 2 to 3 minutes.
Add in the thyme leaves, sage, garlic, cumin seeds and red curry powder with a pinch of salt. Mix and cook 30 to 60 seconds until fragrant.
Add in the tomatoes and bell peppers with a pinch of salt. Mix to coat with the aromatics.
Add in the red lentils. Season with salt to taste. Mix.
Pour in the chicken stock. Stir. Taste for seasoning and adjust salt if needed. Pop n the whole hot pepper, if using.Note: Be sure to not break the hot pepper. If it breaks the soup with be way too hot. Cover the pot. Bring to a boil then lower the heat to medium low and simmer 15 minutes.
In the meantime, cutup the chicken tenders into bite size pieces.
Add them to the stock along with any juices released.
Simmer for 10 to 15 minutes to marry the flavors.
Carefully remove the hot pepper.The pepper can be cut up and served separately to add to the soup as it's eaten.
Add in fresh spinach. Season with a pinch of salt. Turn off the stove. Tuck the spinach into the stock. Cover and rest for 2 to 3 minutes.
May garnish with fresh cilantro, green parts of scallions and drizzle with toasted cumin seeds oil. Enjoy.