Slice the paneer blocks into ½ inch thick slices

Take an ovenproof pan that can fit the slider buns comfortably. Pre heat the oven to 350F.

Without separating the buns apart, slice the entire block into half.

Place the lower half of the bun in the pan. Spread half of the marinara sauce, then layer the paneer slices, followed by thinly sliced red onion. Spread rest of the marinara sauce, layer the baby spinach leaves and then top it with grated cheese.

Place the top half of the slider buns. Brush the melted butter on top of the bun.

Cover the pan tightly with aluminum foil and bake for 10 minutes, in the middle rack of the pan. Then remove the pan, uncover it and bake at the same temperature for 10 more minutes.

Allow it to cool down for a minute and then serve while warm.

Notes: Although these buns tastes best when made fresh, you could still store left overs in an airtight container in the refrigerator. Warm in the microwave for 30 seconds or put it in preheated 350F oven for about 5 minutes and it gets saucy once again.