Heat a large pot on the stove on medium-low heat.Meanwhile, cut the zucchini lengthwise into 4 even pieces (cut it in half lengthwise, then cut each half in half lengthwise); then cut them crosswise into ½-inch pieces.Deseed the bell peppers and cut them into 1-inch-thick strips; then chop them into 1-inch pieces.
Chop the garlic.Add half the oil, garlic and sausage to the pot. Cook for 3 minutes, breaking it apart while cooking. Remove from the pot and place in a bowl.
Add the remaining oil, zucchini, and bell pepper to the pot. Cover and cook for 10 minutes, stirring halfway through.
Return the sausage to the pot and stir in the tomato paste.Add the diced tomatoes and broth. Cover with a lid and increase the heat to high. Once it boils, reduce the heat to low and simmer for 5 minutes.
Meanwhile, remove the stems from the kale and roughly chop the leaves into 1-inch pieces.Stir the kale into the soup and cook, covered, for 5 minutes. Serve.
Notes
1 serving = 2¼ cups. 4 servings total.
For more meat, use the a pack of sausage links and remove the casings.
Avoid overcooking the sausage or it'll be rubbery.
Bell peppers can be swapped for orange.
Kale can be swapped for baby spinach.
Use low sodium broth and tomatoes to cut back on the sodium.