Heat olive oil in a skillet over medium-high heat.
¼ cup olive oil
Add onion and garlic; cook for 4 to 5 minutes or until soft.
1 onion, 4 garlic cloves
Add the tomatoes and eggplant to the skillet and cook for 8 to 10 minutes or until soft.
4 tomatoes, 1 eggplant
Sprinkle with the fresh basil and season with salt and pepper to taste; then, pour in the tomato sauce and stir well.
½ cup fresh basil, 1 ½ cups tomato sauce
Simmer for 8 to 10 minutes, stirring occasionally.
Blend sauce and vegetables using a blender or immersion blender, pulsing until the sauce is smooth. Add more tomato sauce for a thinner consistency.
Melt cooking fat in another skillet over medium heat and cook the diced potatoes for 5 to 8 minutes.
2 sweet potatoes, Cooking fat
Add the chicken and cook for 4 to 5 minutes or until no longer pink.
2 chicken breasts
Pour the tomato sauce over the chicken and mix well.
Add in the spinach and cook for 4 to 5 minutes or until wilted.
2 cups lightly packed spinach