1 Samuel 14:28-29

14:28 Then someone from the army informed him, “Your father put the army under a strict oath saying, ‘Cursed be the man who eats food today!’ That is why the army is tired.” 14:29 Then Jonathan said, “My father has caused trouble for the land. See how my eyes gleamed when I tasted just a little of this honey.

1 Samuel 14:31-32

14:31 On that day the army struck down the Philistines from Micmash to Aijalon, and they became very tired. 14:32 So the army rushed greedily on the plunder, confiscating sheep, cattle, and calves. They slaughtered them right on the ground, and the army ate them blood and all.