Heat up large sauce-pan with oil, spiced butter, then add onions,berbere spice, garlic, ginger ,cumin, and smoked paprika, stir occasionally for about 2-3 minutes until onions is translucent.
Then add soaked lentils, tomato paste, stir and sauté for about 2-3 more minutes. Add stock or water . Salt
Bring to a boil and let it simmer until sauce thickens, it might take about 30 minutes or depending on how you like your lentils. Throw in some parsley, adjust for salt, pepper and stew consistency. Serve warm