Heat the olive oil in a skillet over medium heat.
1 tablespoon Olive oil
Add the chopped onion and minced garlic to the skillet and sauté until they become fragrant and translucent.
1/2 Cup Onion, 1 Teaspoon Minced Garlic
Add the diced tomatoes to the skillet and cook for about 5 minutes, until they start to soften.
3 medium-sized Tomatoes
Stir in the seasonings.
1/2 teaspoon Chili powder, 1/2 Teaspoon Garlic Powder, Pinch Cayenne Powder, Pinch Sea Salt, Pinch Black Pepper, Pinch Cumin
Reduce the heat to low and simmer the sauce for about 10-15 minutes, or until the tomatoes have fully softened and the flavors have melded together.
Remove the skillet from the heat and let the sauce cool slightly.
Transfer the mixture to a blender or food processor and blend until smooth.
Taste the sauce and adjust the seasonings if needed.
Transfer the keto taco sauce to a jar or container and refrigerate until ready to use.