Spicy Pork Salad

INGREDIENTS

• 3 vegetable oil, divided
• 1 garlic clove, finely chopped
• 4 hot chili paste (such as sambal oelek), divided
• 1 ground pork
• 2 finely grated lime zest
• 1/2 fresh lime juice (3-4 limes)
• 2 fish sauce (such as nam pla or nuoc nam)
• 1 (packed) light brown sugar
• 1 small red onion, half finely chopped, half sliced
• 2 (packed) fresh mint leaves, 1 cup chopped
• 1 head of butter lettuce, leaves separated
• 1 English hothouse cucumber, thinly sliced