To make the berbere spice, sift and mix together all ingredients.
Puree onions, garlic, ginger in food processor.
In a large pan, sauté your onion, garlic, ginger in oil. Cook until softened, for 10-15 minutes, stirring occasionally.
Add tomato paste, 1/2 cup water, berbere spice, and salt. Cook for 15 minutes while stirring, reduce heat.
Rinse lentils and add to pan; stir and bring to a boil; cover and simmer the lentils, stirring occasionally for 20 minutes until the lentils are soft. Add water as needed.
Add salt to taste.
Serve with Injera (Ethiopian flatbread) or Rice.