Select saute setting on a 6-qt. electric pressure cooker. Adjust for medium heat; add oil. When oil is hot, add cauliflower with mustard, paprika, turmeric and garam masala; cook and stir until crisp-tender, 6-8 minutes. Remove and keep warm., For masala, add oil to pressure cooker. When hot, add onion, cashews, cardamom and cloves. Cook and stir until onion is tender, 4-5 minutes. Add tomatoes and 1/2 cup water. Press cancel. Lock lid; close pressure-release valve. Adjust to pressure-cook on high for 5 minutes. Let pressure release naturally for 5 minutes; quick-release any remaining pressure. Discard cardamom and cloves. Cool sauce slightly; transfer to a food processor. Process until smooth. Return to pressure cooker., Select saute setting and adjust for low heat. Add garlic and ginger; cook and stir 1 minute. Add milk, almond flour, fenugreek, maple syrup, salt, garam masala and cayenne; simmer, uncovered, until mixture is slightly thickened, 10-12 minutes, stirring occasionally. Press cancel. Stir in yogurt and cauliflower; heat through. Sprinkle with cilantro leaves.