Chocolate Lava Cakes

Bahan-bahan (4 porsi)

• 8 Tbsp unsalted butter (cut into slices, plus more to grease ramekins)
• 6 oz semisweet chocolate chips
• 2 large eggs ((whole eggs))
• 2 large egg yolks
• 1/4 cup sugar
• 1/4 tsp salt
• 1 tsp vanilla extract
• 3 Tbsp all-purpose flour (plus more to dust ramekins)