Heat oven to 400 degrees F (200 degrees C).
Peel the eggplant and slice into 1-inch diced cubes.
Sprinkle a bit of salt on the eggplant and 1 tbsp of olive oil and gently mix.
Add parchment paper to a baking sheet and add eggplant cubes.
Bake for about 20 minutes (a fork should pierce through when done).
Remove eggplant from oven and set aside.
Heat a skillet to medium heat.
Add 1 tsp of oil and reduce heat to medium-low.
Add onions and stir gently until translucent (2 minutes).
Add garlic and stir gently for 1 minute.
Add tomatoes and it’s liquid and stir for about 2 minutes.
Add eggplant and salt, and stir, and let simmer covered for 10 minutes. Add a little water if needed.