Soften ½ stick of butter and using a pastry brush, brush evenly and generously in a layer to coat the entire inside of the bundt pan. Set pan aside.
Combine grated parmesan, sea salt flakes, granulated garlic, oregano, chopped fresh parsley, and chopped fresh basil in a small bowl and stir well. Pour contents of bowl into a gallon sized Ziploc bag.
Cut biscuits into quarters. Toss approximately 10-20 biscuit pieces at a time in the Ziploc bag. Seal the bag to toss and make sure each piece is well coated in seasonings.
Assemble single layer of seasoned biscuit pieces.
Melt 1 stick of butter and combine with the roasted garlic. Mix well.
Drizzle butter and roasted garlic mixture over layer of seasoned biscuit pieces. Brush biscuit pieces with a pastry brush to evenly distribute butter mixture.
Continue seasoning biscuit pieces, layering, and drizzling butter and roasted garlic mixture over each layer.
Pour remaining butter/roasted garlic mixture evenly across the top of the bundt. Sprinkle remaining seasoning from the Ziploc bag over the top of the bundt.
Place bundt in oven at 350°F for 20-22 minutes. Garlic Parmesan Monkey Bread should be a deep golden color and/or the internal temperature of the biscuits should be 205°F-210°F.
As Garlic Parmesan Monkey Bread Bakes, make the Marinara Dipping Sauce.