01 - Combine warm water, sugar, and active dry yeast in a bowl; let sit for 5 to 10 minutes until foamy.
02 - Add flour, salt, and olive oil to the yeast mixture; stir until a dough forms.
03 - Knead dough on a floured surface for 6 to 8 minutes until smooth and elastic.
04 - Place dough in an oiled bowl, cover with a damp towel, and allow to rise in a warm location for 1 hour or until doubled in size.
05 - Preheat oven to 400°F; line a baking sheet with parchment paper.
06 - Punch down risen dough and divide into 12 equal pieces; roll each into an 8-inch rope and tie into a loose knot, tucking ends underneath.
07 - Arrange knots on baking sheet, cover, and let rest for 10 minutes.
08 - Bake knots for 16 to 18 minutes or until golden brown.
09 - While knots bake, mix melted butter, minced garlic, chopped parsley, and salt in a small bowl.
10 - Brush baked knots generously with garlic butter; sprinkle with grated Parmesan if desired and serve warm.