My First Challah - On Bread Alone

Ingredients

• All-purpose Flour - 3 cups (390g)
• Sugar - 1 TBSP (13 g)
• Instant Yeast - 2¼ tsp (7 g)
• Fine Sea Salt - ½ tsp (3 g)
• Warm Water - ½ cup (115 g) (~95 o F/35 o C)
• 2 Eggs + 1 Egg white
• Butter - 3 TBSP (45 mL) - softened
• 1 Egg yolk
• Water - 2 tsp (10 mL)
• Poppy Seeds - optional
• Sesame Seeds - optional
• 9x5x2.5 Loaf Pan